diff --git a/lv_app/lv_app.c b/lv_app/lv_app.c
index 1262dcf22..87f6e8e1b 100644
--- a/lv_app/lv_app.c
+++ b/lv_app/lv_app.c
@@ -19,6 +19,7 @@
 
 
 #include "../lv_appx/lv_app_example.h"
+#include "../lv_appx/lv_app_phantom.h"
 #include "../lv_appx/lv_app_sysmon.h"
 #include "../lv_appx/lv_app_terminal.h"
 #include "../lv_appx/lv_app_files.h"
@@ -77,7 +78,6 @@ static lv_obj_t * app_scr;   /*Screen of the applications*/
 #if LV_APP_DESKTOP != 0
 static lv_obj_t * menuh;     /*Holder of timg_bubbleshe menu on the top*/
 static lv_obj_t * app_btn;   /*The "Apps" button on the menu*/
-//static lv_obj_t * sys_apph;  /*Holder of the system app. buttons*/
 static lv_obj_t * sc_page;   /*A page for the shortcuts */
 #endif
 
@@ -124,6 +124,12 @@ void lv_app_init(void)
 	*dsc = lv_app_example_init();
 #endif
 
+#if USE_LV_APP_PHANTOM != 0
+    dsc = ll_ins_head(&app_dsc_ll);
+    *dsc = lv_app_phantom_init();
+#endif
+
+
 #if USE_LV_APP_SYSMON != 0
     dsc = ll_ins_head(&app_dsc_ll);
     *dsc = lv_app_sysmon_init();
@@ -185,7 +191,7 @@ void lv_app_close(lv_app_inst_t * app)
 	lv_app_con_del(app, NULL);
     lv_app_con_del(NULL, app);
 
-	app->dsc->app_close(app);
+    if(app->dsc->app_close != NULL) app->dsc->app_close(app);
 
     memset(app->app_data, 0, app->dsc->app_data_size);
 	dm_free(app->app_data);
@@ -203,6 +209,8 @@ void lv_app_close(lv_app_inst_t * app)
 lv_obj_t * lv_app_sc_open(lv_app_inst_t * app)
 {
 
+    if(app->dsc->sc_open == NULL) return NULL;
+
 	/*Create a basic  shortcut*/
 #if LV_APP_DESKTOP != 0
 	app->sc = lv_btn_create(sc_page, NULL);
@@ -254,6 +262,7 @@ lv_obj_t * lv_app_sc_open(lv_app_inst_t * app)
 void lv_app_sc_close(lv_app_inst_t * app)
 {
 	if(app->sc == NULL) return;
+    if(app->dsc->sc_close != NULL) app->dsc->sc_close(app);
 	lv_obj_del(app->sc);
 	app->sc = NULL;
 	app->sc_title = NULL;
@@ -275,22 +284,24 @@ lv_obj_t * lv_app_win_open(lv_app_inst_t * app)
 		app_list = NULL;
 	}
 
+	if(app->dsc->win_open == NULL) return NULL;
+
 	app->win = lv_win_create(lv_scr_act(), NULL);
 	lv_obj_set_free_p(app->win, app);
 	lv_obj_set_style(lv_win_get_header(app->win), &app_style.win_header);
 	lv_win_set_title(app->win, app->dsc->name);
-
-	lv_win_set_style_cbtn(app->win, &app_style.win_cbtn_rel, &app_style.win_cbtn_pr);
+	lv_page_set_sb_mode(lv_win_get_page(app->win), LV_PAGE_SB_MODE_ON);
+	lv_win_set_styles_cbtn(app->win, &app_style.win_cbtn_rel, &app_style.win_cbtn_pr);
 
 	if(app->dsc->conf_open != NULL) {
-	    lv_win_add_ctrl_btn(app->win, SYMBOL_SETUP, lv_app_win_conf_action);
+	    lv_win_add_cbtn(app->win, SYMBOL_SETUP, lv_app_win_conf_action);
 	}
-	lv_win_add_ctrl_btn(app->win, SYMBOL_DOWN, lv_app_win_minim_action);
-	lv_win_add_ctrl_btn(app->win, SYMBOL_CLOSE,lv_app_win_close_action);
+	lv_win_add_cbtn(app->win, SYMBOL_DOWN, lv_app_win_minim_action);
+	lv_win_add_cbtn(app->win, SYMBOL_CLOSE,lv_app_win_close_action);
 
     app->win_data = dm_alloc(app->dsc->win_data_size);
 
-    app->dsc->win_open(app, app->win);
+     app->dsc->win_open(app, app->win);
 
 	return app->win;
 }
@@ -303,7 +314,9 @@ void lv_app_win_close(lv_app_inst_t * app)
 {
 	if(app->win == NULL) return;
 
-	lv_app_kb_close(false);
+    lv_app_kb_close(false);
+
+    if(app->dsc->win_close != NULL) app->dsc->win_close(app);
 
 	lv_obj_del(app->win);
 	app->win = NULL;
@@ -516,16 +529,6 @@ static void lv_app_init_desktop(void)
     lv_label_set_text(app_label, "Apps");
     lv_obj_set_pos(app_btn, 0, 0);
     lv_obj_set_pos(menuh, 0, 0);
-/*
-    sys_apph = lv_cont_create(menuh, NULL);
-    lv_cont_set_layout(sys_apph, LV_CONT_LAYOUT_ROW_M);
-    lv_cont_set_fit(sys_apph, true, false);
-    lv_obj_set_style(sys_apph, lv_rects_get(LV_RECTS_TRANSP, NULL));
-    lv_obj_t * clock = lv_label_create(sys_apph, NULL);
-    lv_obj_set_style(clock, &app_style.menu_btn_label);
-    lv_label_set_text(clock, "20:17");
-
-    lv_obj_align(sys_apph, NULL, LV_ALIGN_IN_RIGHT_MID, 0, 0);*/
 
     /*Shortcut area*/
      sc_page = lv_page_create(lv_scr_act(), NULL);
@@ -736,7 +739,7 @@ static lv_action_res_t lv_app_sc_lpr_action(lv_obj_t * sc, lv_dispi_t * dispi)
  */
 static lv_action_res_t lv_app_win_close_action(lv_obj_t * close_btn, lv_dispi_t * dispi)
 {
-	lv_obj_t * win = lv_win_get_from_ctrl_btn(close_btn);
+	lv_obj_t * win = lv_win_get_from_cbtn(close_btn);
 	lv_app_inst_t * app = lv_obj_get_free_p(win);
 
 	lv_app_kb_close(false);
@@ -771,7 +774,7 @@ static lv_action_res_t lv_app_win_close_action(lv_obj_t * close_btn, lv_dispi_t
  */
 static lv_action_res_t lv_app_win_minim_action(lv_obj_t * minim_btn, lv_dispi_t * dispi)
 {
-	lv_obj_t * win = lv_win_get_from_ctrl_btn(minim_btn);
+	lv_obj_t * win = lv_win_get_from_cbtn(minim_btn);
 	lv_app_inst_t * app = lv_obj_get_free_p(win);
 
 	lv_app_kb_close(false);
@@ -797,7 +800,7 @@ static lv_action_res_t lv_app_win_conf_action(lv_obj_t * set_btn, lv_dispi_t * d
         app_list = NULL;
     }
 
-    lv_obj_t * win = lv_win_get_from_ctrl_btn(set_btn);
+    lv_obj_t * win = lv_win_get_from_cbtn(set_btn);
     lv_app_inst_t * app = lv_obj_get_free_p(win);
 
     app->conf_win = lv_win_create(lv_scr_act(), NULL);
@@ -805,9 +808,9 @@ static lv_action_res_t lv_app_win_conf_action(lv_obj_t * set_btn, lv_dispi_t * d
 
     char buf[256];
     sprintf(buf, "%s settings", app->dsc->name);
-    lv_win_add_ctrl_btn(app->conf_win, SYMBOL_CLOSE ,lv_win_close_action);
+    lv_win_add_cbtn(app->conf_win, SYMBOL_CLOSE ,lv_win_close_action);
     lv_win_set_title(app->conf_win, buf);
-    lv_win_set_style_cbtn(app->conf_win, &app_style.win_cbtn_rel, &app_style.win_cbtn_pr);
+    lv_win_set_styles_cbtn(app->conf_win, &app_style.win_cbtn_rel, &app_style.win_cbtn_pr);
     lv_obj_t * scrl = lv_page_get_scrl(lv_win_get_page(app->conf_win));
     lv_cont_set_layout(scrl, LV_CONT_LAYOUT_COL_L);
 
@@ -840,8 +843,6 @@ static lv_action_res_t lv_app_win_open_anim_create(lv_app_inst_t * app)
         lv_obj_get_cords(app->sc, &cords);
     }
 
-
-
     /*Temporally set a simpler style for the window during the animation*/
     lv_obj_t * win_page = lv_win_get_page(app->win);
     lv_page_set_sb_mode(win_page, LV_PAGE_SB_MODE_OFF);
@@ -917,12 +918,6 @@ static lv_action_res_t lv_app_win_minim_anim_create(lv_app_inst_t * app)
     lv_obj_t * win_page = lv_win_get_page(app->win);
     lv_page_set_sb_mode(win_page, LV_PAGE_SB_MODE_OFF);
 
-    /*Hide some elements to speed up the animation*/
-    lv_obj_set_hidden(((lv_win_ext_t *)app->win->ext)->btnh, true);
-    lv_obj_set_hidden(((lv_win_ext_t *)app->win->ext)->title, true);
-    lv_obj_set_hidden(lv_page_get_scrl(win_page), true);
-
-
     /*Hide some elements to speed up the animation*/
     lv_obj_set_hidden(((lv_win_ext_t *)app->win->ext)->btnh, true);
     lv_obj_set_hidden(((lv_win_ext_t *)app->win->ext)->title, true);
@@ -981,6 +976,8 @@ static void lv_app_win_open_anim_cb(lv_obj_t * app_win)
     lv_obj_set_hidden(((lv_win_ext_t *)app_win->ext)->btnh, false);
     lv_obj_set_hidden(((lv_win_ext_t *)app_win->ext)->title, false);
     lv_obj_set_hidden(lv_page_get_scrl(win_page), false);
+
+    lv_page_set_sb_mode(win_page, LV_PAGE_SB_MODE_AUTO);
 }
 
 /**
diff --git a/lv_app/lv_app_util/lv_app_fsel.c b/lv_app/lv_app_util/lv_app_fsel.c
index d8246b5d2..0594613d0 100644
--- a/lv_app/lv_app_util/lv_app_fsel.c
+++ b/lv_app/lv_app_util/lv_app_fsel.c
@@ -47,6 +47,7 @@ static lv_obj_t * fsel_win;
 static lv_obj_t * fsel_list;
 static void *  fsel_param;
 static void (*fsel_ok_action)(void *, const char *);
+static lv_style_t style_btn_symbol;
 
 /**********************
  *      MACROS
@@ -61,7 +62,8 @@ static void (*fsel_ok_action)(void *, const char *);
  */
 void lv_app_fsel_init(void)
 {
-   //TODO lv_lists_get(LV_LISTS_TRANSP, &fsel_lists);
+    lv_style_get(LV_STYLE_BTN_REL, &style_btn_symbol);
+    style_btn_symbol.font = font_get(LV_IMG_DEF_SYMBOL_FONT);
 }
 
 /**
@@ -90,11 +92,14 @@ void lv_app_fsel_open(const char * path, const char * filter, void * param, void
     /*Check filter: NULL and "" mean no filtering*/
     if(fsel_filter == NULL) fsel_filter = "";
 
+    lv_app_style_t * app_style = lv_app_style_get();
+
     /*Create a window for the File selector*/
     fsel_win = lv_win_create(lv_scr_act(), NULL);
     lv_obj_set_size(fsel_win, LV_HOR_RES, LV_VER_RES);
+    lv_win_set_styles_cbtn(fsel_win, &app_style->win_cbtn_rel, &app_style->win_cbtn_pr);
 
-    lv_win_add_ctrl_btn(fsel_win, "U:/icon_close", fsel_close_action);
+    lv_win_add_cbtn(fsel_win, SYMBOL_CLOSE, fsel_close_action);
 
     fsel_refr(); /*Refresh the list*/
 
@@ -138,31 +143,32 @@ static void fsel_refr(void)
     /*Create a new list*/
     fsel_list = lv_list_create(fsel_win, NULL);
     lv_obj_set_width(fsel_list, lv_win_get_width(fsel_win));
-    //TODO lv_obj_set_style(fsel_list, lv_lists_get(LV_LISTS_TRANSP, NULL));
+    lv_list_set_style_img(fsel_list, &style_btn_symbol);
+    lv_obj_set_style(lv_page_get_scrl(fsel_list), lv_style_get(LV_STYLE_TRANSP_TIGHT, NULL));
     lv_obj_set_drag_parent(fsel_list, true);
     lv_obj_set_drag_parent(lv_page_get_scrl(fsel_list), true);
     lv_cont_set_fit(fsel_list, false, true);
 
     fs_res_t res = FS_RES_OK;
+    lv_obj_t * liste;
 
     /*At empty path show the drivers */
     if(fsel_path[0] == '\0') {
         char drv[16];
         char buf[2];
-        lv_obj_t * liste;
         fs_get_letters(drv);
         uint8_t i;
         for(i = 0; drv[i] != '\0'; i++) {
             buf[0] = drv[i];
             buf[1] = '\0';
-            liste = lv_list_add(fsel_list, "U:/icon_driver", buf, fsel_drv_action);
+            liste = lv_list_add(fsel_list, SYMBOL_DRIVE, buf, fsel_drv_action);
             /*Add long press action to choose the driver as a folder*/
             if(fsel_filter[0] == '/') lv_btn_set_lpr_action(liste, fsel_drv_lpr_action);
         }
     }
     /*List the files/folders with fs interface*/
     else {
-        lv_list_add(fsel_list, "U:/icon_up", "Up", fsel_up_action);
+        liste = lv_list_add(fsel_list, SYMBOL_UP, "Up", fsel_up_action);
 
         fs_readdir_t rd;
         res = fs_readdir_init(&rd, fsel_path);
@@ -173,7 +179,7 @@ static void fsel_refr(void)
 
         /*At not first page add prev. page button */
         if(fsel_file_cnt != 0) {
-            lv_list_add(fsel_list, "U:/icon_left", "Previous page", fsel_prev_action);
+            liste = lv_list_add(fsel_list, SYMBOL_LEFT, "Previous page", fsel_prev_action);
         }
 
         char fn[LV_APP_FSEL_FN_MAX_LEN];
@@ -182,7 +188,7 @@ static void fsel_refr(void)
         uint16_t file_cnt = 0;
         while(file_cnt <= fsel_file_cnt) {
             res = fs_readdir(&rd, fn);
-            if(res != FS_RES_OK || fn[0] == '\0'){
+            if(res != FS_RES_OK){
                 lv_app_notice_add("Can not read the path\nin File selector");
                 return;
             }
@@ -193,7 +199,7 @@ static void fsel_refr(void)
         while(res == FS_RES_OK && fn[0] != '\0') {
             if(fn[0] == '/') { /*Add a folder*/
                 lv_obj_t * liste;
-                liste = lv_list_add(fsel_list, "U:/icon_folder", &fn[1], fsel_folder_action);
+                liste = lv_list_add(fsel_list, SYMBOL_FOLDER, &fn[1], fsel_folder_action);
                 /*Add long press action to choose a folder*/
                 if(fsel_filter[0] == '/') lv_btn_set_lpr_action(liste, fsel_folder_lpr_action);
 
@@ -204,7 +210,7 @@ static void fsel_refr(void)
             else if(fsel_filter[0] == '\0' || /*No filtering or ...*/
                     (strcmp(fs_get_ext(fn), fsel_filter) == 0 && /*.. the filter matches*/
                      fsel_filter[0] != '/')) {
-                lv_list_add(fsel_list, "U:/icon_file", fn, fsel_file_action);
+                liste = lv_list_add(fsel_list, SYMBOL_FILE, fn, fsel_file_action);
                 fsel_file_cnt ++;
                 file_cnt ++;
             }
@@ -214,7 +220,7 @@ static void fsel_refr(void)
 
             /*Show only LV_APP_FSEL_MAX_FILE elements and add a Next page button*/
             if(fsel_file_cnt != 0 && fsel_file_cnt % LV_APP_FSEL_PAGE_SIZE == 0) {
-                lv_list_add(fsel_list, "U:/icon_right", "Next page", fsel_next_action);
+                liste = lv_list_add(fsel_list, SYMBOL_RIGHT, "Next page", fsel_next_action);
                 break;
             }
         }
@@ -297,7 +303,7 @@ static lv_action_res_t fsel_prev_action(lv_obj_t * prev, lv_dispi_t * dispi)
  */
 static lv_action_res_t fsel_drv_action(lv_obj_t * drv, lv_dispi_t * dispi)
 {
-    sprintf(fsel_path, "%s:", lv_list_element_get_txt(drv));
+    sprintf(fsel_path, "%s:", lv_list_get_element_text(drv));
     fsel_file_cnt = 0;
     fsel_refr();
     return LV_ACTION_RES_INV;
@@ -311,7 +317,7 @@ static lv_action_res_t fsel_drv_action(lv_obj_t * drv, lv_dispi_t * dispi)
  */
 static lv_action_res_t fsel_drv_lpr_action(lv_obj_t * drv, lv_dispi_t * dispi)
 {
-    sprintf(fsel_path, "%s:", lv_list_element_get_txt(drv));
+    sprintf(fsel_path, "%s:", lv_list_get_element_text(drv));
 
     if(fsel_ok_action != NULL) {
         fsel_ok_action(fsel_param, fsel_path);
@@ -330,7 +336,7 @@ static lv_action_res_t fsel_drv_lpr_action(lv_obj_t * drv, lv_dispi_t * dispi)
  */
 static lv_action_res_t fsel_folder_action(lv_obj_t * folder, lv_dispi_t * dispi)
 {
-    sprintf(fsel_path, "%s/%s", fsel_path, lv_list_element_get_txt(folder));
+    sprintf(fsel_path, "%s/%s", fsel_path, lv_list_get_element_text(folder));
     fsel_file_cnt = 0;
     fsel_refr();
     return LV_ACTION_RES_INV;
@@ -344,7 +350,7 @@ static lv_action_res_t fsel_folder_action(lv_obj_t * folder, lv_dispi_t * dispi)
  */
 static lv_action_res_t fsel_folder_lpr_action(lv_obj_t * folder, lv_dispi_t * dispi)
 {
-    sprintf(fsel_path, "%s/%s", fsel_path, lv_list_element_get_txt(folder));
+    sprintf(fsel_path, "%s/%s", fsel_path, lv_list_get_element_text(folder));
 
     if(fsel_ok_action != NULL) {
         fsel_ok_action(fsel_param, fsel_path);
@@ -363,7 +369,7 @@ static lv_action_res_t fsel_folder_lpr_action(lv_obj_t * folder, lv_dispi_t * di
  */
 static lv_action_res_t fsel_file_action(lv_obj_t * file, lv_dispi_t * dispi)
 {
-    sprintf(fsel_path, "%s/%s", fsel_path, lv_list_element_get_txt(file));
+    sprintf(fsel_path, "%s/%s", fsel_path, lv_list_get_element_text(file));
 
     if(fsel_ok_action != NULL) {
         fsel_ok_action(fsel_param, fsel_path);
diff --git a/lv_app/lv_app_util/lv_app_fsel.h b/lv_app/lv_app_util/lv_app_fsel.h
index 684afc10b..4c9be142a 100644
--- a/lv_app/lv_app_util/lv_app_fsel.h
+++ b/lv_app/lv_app_util/lv_app_fsel.h
@@ -35,7 +35,7 @@ void lv_app_fsel_init(void);
  * @param filter show only files with a specific extension, e.g. "wav".
  *               "/" means filter to folders.
  * @param param a free parameter which will be added to 'ok_action'
- * @param ok_action an action to call when a file or folder is chosen
+ * @param ok_action an action to call when a file or folder is chosen (give 'param' and the path as parameters)
  */
 void lv_app_fsel_open(const char * path, const char * filter, void * param,
                        void (*ok_action)(void *, const char *));
diff --git a/lv_app/lv_app_util/lv_app_kb.c b/lv_app/lv_app_util/lv_app_kb.c
index 5088c0e74..c666ce42d 100644
--- a/lv_app/lv_app_util/lv_app_kb.c
+++ b/lv_app/lv_app_util/lv_app_kb.c
@@ -63,6 +63,7 @@ static cord_t kb_ta_ori_size;
 static uint8_t kb_mode;
 static void (*kb_close_action)(lv_obj_t *);
 static void (*kb_ok_action)(lv_obj_t *);
+static lv_style_t style_bg;
 static lv_style_t style_btn_rel;
 static lv_style_t style_btn_pr;
 /**********************
@@ -78,8 +79,16 @@ static lv_style_t style_btn_pr;
  */
 void lv_app_kb_init(void)
 {
+    lv_style_get(LV_STYLE_PLAIN, &style_bg);
+    style_bg.hpad = 0;
+    style_bg.vpad = 0;
+    style_bg.opad = 0;
     lv_style_get(LV_STYLE_BTN_REL, &style_btn_rel);
+    style_btn_rel.radius = 0;
+    style_btn_rel.bwidth = 1 * LV_DOWNSCALE;
     lv_style_get(LV_STYLE_BTN_PR, &style_btn_pr);
+    style_btn_pr.radius = 0;
+    style_btn_pr.bwidth = 1 * LV_DOWNSCALE;
 }
 
 /**
@@ -104,6 +113,7 @@ void lv_app_kb_open(lv_obj_t * ta, lv_app_kb_mode_t mode, void (*close)(lv_obj_t
 
     /*Create a button matrix for the keyboard  */
     kb_btnm = lv_btnm_create(lv_scr_act(), NULL);
+    lv_obj_set_style(kb_btnm, &style_bg);
     lv_obj_set_size(kb_btnm, LV_HOR_RES, LV_VER_RES / 2);
     lv_obj_align(kb_btnm, NULL, LV_ALIGN_IN_BOTTOM_MID, 0, 0);
     lv_btnm_set_action(kb_btnm, lv_app_kb_action);
@@ -119,25 +129,29 @@ void lv_app_kb_open(lv_obj_t * ta, lv_app_kb_mode_t mode, void (*close)(lv_obj_t
     }
     lv_btnm_set_styles_btn(kb_btnm, &style_btn_rel, &style_btn_pr);
 
-    /*Reduce the size of the window and align it to the top*/
-    kb_win = lv_app_win_get_from_obj(kb_ta);
-    lv_obj_set_height(kb_win, LV_VER_RES / 2);
-    lv_obj_set_y(kb_win, 0);
+    kb_win = NULL;
+    kb_ta_ori_size = 0;
+    if(mode & LV_APP_KB_MODE_WIN_RESIZE) {
+        /*Reduce the size of the window and align it to the top*/
+        kb_win = lv_app_win_get_from_obj(kb_ta);
+        lv_obj_set_height(kb_win, LV_VER_RES / 2);
+        lv_obj_set_y(kb_win, 0);
 
-    /*If the text area is higher then the new size of the window reduce its size too*/
-    cord_t win_h = lv_obj_get_height(kb_win);
-	kb_ta_ori_size = lv_obj_get_height(kb_ta);
-    if(lv_obj_get_height(kb_ta)  > win_h) {
-    	lv_obj_set_height(kb_ta, win_h);
+        /*If the text area is higher then the new size of the window reduce its size too*/
+        cord_t cont_h = lv_obj_get_height(kb_win) - lv_obj_get_height(lv_win_get_header(kb_win));
+        kb_ta_ori_size = lv_obj_get_height(kb_ta);
+        if(lv_obj_get_height(kb_ta)  > cont_h - LV_DPI / 10) {
+            lv_obj_set_height(kb_ta, cont_h - LV_DPI / 10);
+        }
+#if LV_APP_ANIM_LEVEL != 0
+        lv_page_focus(lv_win_get_content(kb_win), kb_ta, true);
+#else
+        lv_page_focus(lv_win_get_page(kb_win), kb_ta, false);
+#endif
     }
 
     lv_ta_set_cursor_pos(kb_ta, LV_TA_CUR_LAST);
 
-#if LV_APP_ANIM_LEVEL != 0
-    lv_page_focus(lv_win_get_content(kb_win), kb_ta, true);
-#else
-    lv_page_focus(lv_win_get_page(kb_win), kb_ta, false);
-#endif
 }
 
 /**
@@ -155,11 +169,11 @@ void lv_app_kb_close(bool ok)
 	}
 
 	/*Reset the modified sizes*/
-
-	lv_obj_set_height(kb_ta, kb_ta_ori_size);
-
-	lv_obj_set_size(kb_win, LV_HOR_RES, LV_VER_RES);
-	kb_win = NULL;
+	if((kb_mode & LV_APP_KB_MODE_WIN_RESIZE) && kb_win != NULL) {
+        lv_obj_set_height(kb_ta, kb_ta_ori_size);
+        lv_obj_set_size(kb_win, LV_HOR_RES, LV_VER_RES);
+        kb_win = NULL;
+	}
 
     lv_obj_del(kb_btnm);
     kb_btnm = NULL;
@@ -229,11 +243,13 @@ static lv_action_res_t lv_app_kb_action(lv_obj_t * btnm, uint16_t i)
         lv_ta_add_text(kb_ta, txt);
     }
 
+    if(kb_mode & LV_APP_KB_MODE_WIN_RESIZE) {
 #if LV_APP_ANIM_LEVEL != 0
-    lv_page_focus(lv_win_get_content(kb_win), kb_ta, true);
+        lv_page_focus(lv_win_get_content(kb_win), kb_ta, true);
 #else
-    lv_page_focus(lv_win_get_page(kb_win), kb_ta, false);
+        lv_page_focus(lv_win_get_page(kb_win), kb_ta, false);
 #endif
+    }
     return LV_ACTION_RES_OK;
 }
 
diff --git a/lv_app/lv_app_util/lv_app_kb.h b/lv_app/lv_app_util/lv_app_kb.h
index 75afb7f92..a222c2a91 100644
--- a/lv_app/lv_app_util/lv_app_kb.h
+++ b/lv_app/lv_app_util/lv_app_kb.h
@@ -23,6 +23,7 @@ typedef enum
 {
 	LV_APP_KB_MODE_TXT = 0x01,
 	LV_APP_KB_MODE_NUM = 0x02,
+    LV_APP_KB_MODE_WIN_RESIZE = 0x04,
 }lv_app_kb_mode_t;
 
 /**********************
diff --git a/lv_appx/lv_app_example.c b/lv_appx/lv_app_example.c
index 314bc31fa..fb2a202dd 100644
--- a/lv_appx/lv_app_example.c
+++ b/lv_appx/lv_app_example.c
@@ -198,7 +198,7 @@ static void my_win_close(lv_app_inst_t * app)
 static lv_action_res_t ta_rel_action(lv_obj_t * ta, lv_dispi_t * dispi)
 {
     lv_ta_set_text(ta, ""); /*Clear the ta*/
-    lv_app_kb_open(ta, LV_APP_KB_MODE_TXT, NULL, kb_ok_action);
+    lv_app_kb_open(ta, LV_APP_KB_MODE_TXT | LV_APP_KB_MODE_WIN_RESIZE, NULL, kb_ok_action);
     return LV_ACTION_RES_OK;
 }
 
diff --git a/lv_appx/lv_app_files.c b/lv_appx/lv_app_files.c
index 91c43965b..487cea87f 100644
--- a/lv_appx/lv_app_files.c
+++ b/lv_appx/lv_app_files.c
@@ -113,6 +113,7 @@ static lv_app_dsc_t my_app_dsc =
 };
 
 static lv_style_t style_sc_label;
+static lv_style_t style_btn_symbol;
 
 
 /**********************
@@ -133,6 +134,8 @@ const lv_app_dsc_t * lv_app_files_init(void)
     memcpy(&style_sc_label, &app_style->sc_rec_rel, sizeof(lv_style_t));
     style_sc_label.font = font_get(LV_APP_FONT_LARGE);
 
+    lv_style_get(LV_STYLE_BTN_REL, &style_btn_symbol);
+    style_btn_symbol.font = font_get(LV_IMG_DEF_SYMBOL_FONT);
 	return &my_app_dsc;
 }
 
@@ -350,7 +353,8 @@ static void win_create_list(lv_app_inst_t * app)
     /*Create a new list*/
     win_data->file_list = lv_list_create(app->win, NULL);
     lv_obj_set_width(win_data->file_list, lv_win_get_width(app->win));
-   //TODO lv_obj_set_style(win_data->file_list, lv_lists_get(LV_LISTS_TRANSP, NULL));
+    lv_list_set_style_img(win_data->file_list, &style_btn_symbol);
+    lv_obj_set_style(lv_page_get_scrl(win_data->file_list), lv_style_get(LV_STYLE_TRANSP_TIGHT, NULL));
     lv_obj_set_drag_parent(win_data->file_list, true);
     lv_obj_set_drag_parent(lv_page_get_scrl(win_data->file_list), true);
     lv_cont_set_fit(win_data->file_list, false, true);
@@ -381,13 +385,13 @@ static void win_load_file_list(lv_app_inst_t * app)
         for(i = 0; drv[i] != '\0'; i++) {
             buf[0] = drv[i];
             buf[1] = '\0';
-            liste = lv_list_add(win_data->file_list, "U:/icon_driver", buf, win_drv_action);
+            liste = lv_list_add(win_data->file_list, SYMBOL_DRIVE, buf, win_drv_action);
             lv_obj_set_free_p(liste, app);
         }
     }
     /*List the files/folders with fs interface*/
     else {
-        liste = lv_list_add(win_data->file_list, "U:/icon_up", "Up", win_up_action);
+        liste = lv_list_add(win_data->file_list, SYMBOL_UP, "Up", win_up_action);
         lv_obj_set_free_p(liste, app);
 
         fs_readdir_t rd;
@@ -399,7 +403,7 @@ static void win_load_file_list(lv_app_inst_t * app)
 
         /*At not first page add prev. page button */
         if(app_data->file_cnt != 0) {
-            liste = lv_list_add(win_data->file_list, "U:/icon_left", "Previous page", win_prev_action);
+            liste = lv_list_add(win_data->file_list, SYMBOL_LEFT, "Previous page", win_prev_action);
             lv_obj_set_free_p(liste, app);
         }
 
@@ -409,7 +413,7 @@ static void win_load_file_list(lv_app_inst_t * app)
         uint16_t file_cnt = 0;
         while(file_cnt <= app_data->file_cnt) {
             res = fs_readdir(&rd, fn);
-            if(res != FS_RES_OK || fn[0] == '\0'){
+            if(res != FS_RES_OK ){
                 lv_app_notice_add("Can not read\nthe path in Files");
                 return;
             }
@@ -420,13 +424,13 @@ static void win_load_file_list(lv_app_inst_t * app)
         while(res == FS_RES_OK && fn[0] != '\0') {
             if(fn[0] == '/') { /*Add a folder*/
                 lv_obj_t * liste;
-                liste = lv_list_add(win_data->file_list, "U:/icon_folder", &fn[1], win_folder_action);
+                liste = lv_list_add(win_data->file_list, SYMBOL_FOLDER, &fn[1], win_folder_action);
                 lv_obj_set_free_p(liste, app);
                 app_data->file_cnt ++;
             }
             /*Add a file*/
             else {
-                liste = lv_list_add(win_data->file_list, "U:/icon_file", fn, win_file_action);
+                liste = lv_list_add(win_data->file_list, SYMBOL_FILE, fn, win_file_action);
                 lv_obj_set_free_p(liste, app);
                 app_data->file_cnt ++;
             }
@@ -436,7 +440,7 @@ static void win_load_file_list(lv_app_inst_t * app)
 
             /*Show only LV_APP_FSEL_MAX_FILE elements and add a Next page button*/
             if(app_data->file_cnt != 0 && app_data->file_cnt % LV_APP_FILES_PAGE_SIZE == 0) {
-                liste = lv_list_add(win_data->file_list, "U:/icon_right", "Next page", win_next_action);
+                liste = lv_list_add(win_data->file_list, SYMBOL_RIGHT, "Next page", win_next_action);
                 lv_obj_set_free_p(liste, app);
                 break;
             }
@@ -525,7 +529,7 @@ static lv_action_res_t win_drv_action(lv_obj_t * drv, lv_dispi_t * dispi)
 {
     lv_app_inst_t * app = lv_obj_get_free_p(drv);
     my_app_data_t * app_data = app->app_data;
-    sprintf(app_data->path, "%s:", lv_list_element_get_txt(drv));
+    sprintf(app_data->path, "%s:", lv_list_get_element_text(drv));
     app_data->file_cnt = 0;
     lv_win_set_title(app->win, app_data->path);
     my_sc_data_t * sc_data = app->sc_data;
@@ -549,7 +553,7 @@ static lv_action_res_t win_folder_action(lv_obj_t * folder, lv_dispi_t * dispi)
 {
     lv_app_inst_t * app = lv_obj_get_free_p(folder);
     my_app_data_t * app_data = app->app_data;
-    sprintf(app_data->path, "%s/%s", app_data->path, lv_list_element_get_txt(folder));
+    sprintf(app_data->path, "%s/%s", app_data->path, lv_list_get_element_text(folder));
     app_data->file_cnt = 0;
 
     lv_win_set_title(app->win, app_data->path);
@@ -577,7 +581,7 @@ static lv_action_res_t win_file_action(lv_obj_t * file, lv_dispi_t * dispi)
     my_app_data_t * app_data = app->app_data;
     my_win_data_t * win_data = app->win_data;
 
-    sprintf(app_data->fn, "%s", lv_list_element_get_txt(file));
+    sprintf(app_data->fn, "%s", lv_list_get_element_text(file));
 
     win_create_list(app);
 
@@ -662,9 +666,9 @@ static lv_action_res_t win_send_settings_element_rel_action(lv_obj_t * element,
             lv_app_notice_add("CRC sending is\nnot supported yet");
         }
     } else if(id == SEND_SETTINGS_CHUNK_SIZE) {
-        lv_app_kb_open(element, LV_APP_KB_MODE_NUM, send_settings_kb_close_action, send_settings_kb_ok_action);
+        lv_app_kb_open(element, LV_APP_KB_MODE_NUM | LV_APP_KB_MODE_WIN_RESIZE, send_settings_kb_close_action, send_settings_kb_ok_action);
     } else if(id == SEND_SETTINGS_CHUNK_DELAY) {
-        lv_app_kb_open(element, LV_APP_KB_MODE_NUM, send_settings_kb_close_action, send_settings_kb_ok_action);
+        lv_app_kb_open(element, LV_APP_KB_MODE_NUM | LV_APP_KB_MODE_WIN_RESIZE, send_settings_kb_close_action, send_settings_kb_ok_action);
     }
 
     return LV_ACTION_RES_OK;
diff --git a/lv_appx/lv_app_phantom.c b/lv_appx/lv_app_phantom.c
new file mode 100644
index 000000000..75e480e48
--- /dev/null
+++ b/lv_appx/lv_app_phantom.c
@@ -0,0 +1,143 @@
+/**
+ * @file lv_app_example.c
+ *
+ */
+
+/*********************
+ *      INCLUDES
+ *********************/
+#include "lv_app_phantom.h"
+#if LV_APP_ENABLE != 0 && USE_LV_APP_PHANTOM != 0
+
+#include "../lv_app/lv_app_util/lv_app_kb.h"
+#include <stdio.h>
+
+/*********************
+ *      DEFINES
+ *********************/
+
+/**********************
+ *      TYPEDEFS
+ **********************/
+
+/*Application specific data for an instance of this application*/
+typedef struct
+{
+    void (*com_listen)(lv_app_inst_t * app_send, lv_app_inst_t * app_rec,
+                       lv_app_com_type_t type , const void * data, uint32_t size);
+}my_app_data_t;
+
+/*Application specific data a window of this application*/
+typedef struct
+{
+
+}my_win_data_t;
+
+/*Application specific data for a shortcut of this application*/
+typedef struct
+{
+    lv_obj_t * label;
+}my_sc_data_t;
+
+/**********************
+ *  STATIC PROTOTYPES
+ **********************/
+static void my_app_run(lv_app_inst_t * app, void * conf);
+static void my_app_close(lv_app_inst_t * app);
+static void my_com_rec(lv_app_inst_t * app_send, lv_app_inst_t * app_rec,
+                       lv_app_com_type_t type , const void * data, uint32_t size);
+
+/**********************
+ *  STATIC VARIABLES
+ **********************/
+static lv_app_dsc_t my_app_dsc =
+{
+	.name = "Phantom",
+	.mode = LV_APP_MODE_NONE,
+	.app_run = my_app_run,
+	.app_close = my_app_close,
+	.com_rec = my_com_rec,
+	.win_open = NULL,
+	.win_close = NULL,
+	.sc_open = NULL,
+	.sc_close = NULL,
+	.app_data_size = sizeof(my_app_data_t),
+	.sc_data_size = sizeof(my_sc_data_t),
+	.win_data_size = sizeof(my_win_data_t),
+};
+
+/**********************
+ *      MACROS
+ **********************/
+
+/**********************
+ *   GLOBAL FUNCTIONS
+ **********************/
+
+/**
+ * Initialize the application
+ * @return pointer to the application descriptor of this application
+ */
+const lv_app_dsc_t * lv_app_phantom_init(void)
+{
+
+	return &my_app_dsc;
+}
+
+/**********************
+ *   STATIC FUNCTIONS
+ **********************/
+
+/**
+ * Run an application according to 'app_dsc'
+ * @param app_dsc pointer to an application descriptor
+ * @param conf pointer to a lv_app_phantom_conf_t structure with configuration data or NULL if unused
+ * @return pointer to the opened application or NULL if any error occurred
+ */
+static void my_app_run(lv_app_inst_t * app, void * conf)
+{
+    /*Initialize the application*/
+    my_app_data_t * app_data = app->app_data;
+    app_data->com_listen = NULL;
+
+    if(conf != NULL) {
+        lv_app_phantom_conf_t * my_conf = conf;
+        app_data->com_listen = my_conf->com_listen;
+    }
+}
+
+/**
+ * Close a running application.
+ * Close the Window and the Shortcut too if opened.
+ * Free all the allocated memory by this application.
+ * @param app pointer to an application
+ */
+static void my_app_close(lv_app_inst_t * app)
+{
+    /*No dynamically allocated data in 'my_app_data'*/
+}
+
+/**
+ * Read the data have been sent to this application
+ * @param app_send pointer to an application which sent the message
+ * @param app_rec pointer to an application which is receiving the message
+ * @param type type of data from 'lv_app_com_type_t' enum
+ * @param data pointer to the sent data
+ * @param size length of 'data' in bytes
+ */
+static void my_com_rec(lv_app_inst_t * app_send, lv_app_inst_t * app_rec,
+                       lv_app_com_type_t type , const void * data, uint32_t size)
+{
+
+    my_app_data_t * app_data = app_rec->app_data;
+
+    if(app_data->com_listen != NULL) {
+        app_data->com_listen(app_send, app_rec, type, data, size);
+    }
+}
+
+/*--------------------
+ * OTHER FUNCTIONS
+ ---------------------*/
+
+#endif /*LV_APP_ENABLE != 0 && USE_LV_APP_EXAMPLE != 0*/
diff --git a/lv_appx/lv_app_phantom.h b/lv_appx/lv_app_phantom.h
new file mode 100644
index 000000000..bb7f729f8
--- /dev/null
+++ b/lv_appx/lv_app_phantom.h
@@ -0,0 +1,42 @@
+/**
+ * @file lv_app_phantom.h
+ *
+ */
+
+#ifndef LV_APP_PHANTOM_H
+#define LV_APP_PHANTOM_H
+
+/*********************
+ *      INCLUDES
+ *********************/
+#include "lvgl/lv_app/lv_app.h"
+
+#if LV_APP_ENABLE != 0 && USE_LV_APP_PHANTOM != 0
+
+/*********************
+ *      DEFINES
+ *********************/
+
+/**********************
+ *      TYPEDEFS
+ **********************/
+typedef struct
+{
+    void (*com_listen)(lv_app_inst_t * app_send,
+                       lv_app_inst_t * app_rec,
+                       lv_app_com_type_t type ,
+                       const void * data, uint32_t size);
+}lv_app_phantom_conf_t;
+
+/**********************
+ * GLOBAL PROTOTYPES
+ **********************/
+const lv_app_dsc_t * lv_app_phantom_init(void);
+
+/**********************
+ *      MACROS
+ **********************/
+
+#endif /*LV_APP_ENABLE != 0 && USE_LV_APP_PHANTOM != 0*/
+
+#endif /* LV_APP_PHANTOM_H */
diff --git a/lv_appx/lv_app_sysmon.c b/lv_appx/lv_app_sysmon.c
index 8a0c0f467..1090bf552 100644
--- a/lv_appx/lv_app_sysmon.c
+++ b/lv_appx/lv_app_sysmon.c
@@ -83,8 +83,10 @@ static lv_app_dsc_t my_app_dsc =
 
 static uint8_t mem_pct[LV_APP_SYSMON_PNUM];
 static uint8_t cpu_pct[LV_APP_SYSMON_PNUM];
-static lv_style_t cpu_bars;
-static lv_style_t mem_bars;
+static lv_style_t cpu_bar_bg;
+static lv_style_t mem_bar_bg;
+static lv_style_t cpu_bar_indic;
+static lv_style_t mem_bar_indic;
 #if USE_DYN_MEM != 0  && DM_CUSTOM == 0
 static  dm_mon_t mem_mon;
 #endif
@@ -109,23 +111,30 @@ const lv_app_dsc_t * lv_app_sysmon_init(void)
     memset(cpu_pct, 0, sizeof(cpu_pct));
 
     /*Create bar styles for the shortcut*/
-    lv_style_get(LV_STYLE_PRETTY_COLOR, &cpu_bars);
+    lv_style_get(LV_STYLE_PRETTY, &cpu_bar_bg);
+    cpu_bar_bg.ccolor = COLOR_MAKE(0x40, 0x00, 0x00);
+    cpu_bar_bg.font = font_get(LV_APP_FONT_MEDIUM);
+    cpu_bar_bg.line_space = 0;
+    cpu_bar_bg.txt_align = 1;
+    cpu_bar_bg.hpad = 0;
+    cpu_bar_bg.vpad = 0;
 
-    cpu_bars.gcolor = COLOR_MARRON;
-    cpu_bars.mcolor = COLOR_RED;
-    cpu_bars.bwidth = 0;
+    memcpy(&mem_bar_bg, &cpu_bar_bg, sizeof(lv_style_t));
+    mem_bar_bg.ccolor = COLOR_MAKE(0x00, 0x40, 0x00);
 
-    cpu_bars.ccolor = COLOR_MAKE(0x40, 0x00, 0x00);
-    cpu_bars.font = font_get(LV_APP_FONT_MEDIUM);
-    cpu_bars.line_space = 0;
-    cpu_bars.txt_align = 1;
-    cpu_bars.hpad = 0;
-    cpu_bars.vpad = 0;
+    lv_style_get(LV_STYLE_PRETTY_COLOR, &cpu_bar_indic);
+    cpu_bar_indic.gcolor = COLOR_MARRON;
+    cpu_bar_indic.mcolor = COLOR_RED;
+    cpu_bar_indic.bcolor = COLOR_BLACK;
+    //cpu_bar_indic.bwidth = 1 * LV_DOWNSCALE;
+    cpu_bar_indic.bopa = OPA_50;
+    cpu_bar_indic.hpad = 0 * LV_DOWNSCALE;
+    cpu_bar_indic.vpad = 0 * LV_DOWNSCALE;
 
-    memcpy(&mem_bars, &cpu_bars, sizeof(cpu_bars));
-    mem_bars.gcolor = COLOR_GREEN;
-    mem_bars.mcolor = COLOR_LIME;
-    mem_bars.ccolor = COLOR_MAKE(0x00, 0x40, 0x00);
+
+    memcpy(&mem_bar_indic, &cpu_bar_indic, sizeof(lv_style_t));
+    mem_bar_indic.gcolor = COLOR_GREEN;
+    mem_bar_indic.mcolor = COLOR_LIME;
 
 	return &my_app_dsc;
 }
@@ -186,7 +195,8 @@ static void my_sc_open(lv_app_inst_t * app, lv_obj_t * sc)
     sc_data->bar_cpu = lv_bar_create(sc, NULL);
     lv_obj_set_size(sc_data->bar_cpu, w, 5 * lv_obj_get_height(sc) / 8);
     lv_obj_align(sc_data->bar_cpu, NULL, LV_ALIGN_IN_BOTTOM_LEFT, w, - lv_obj_get_height(sc) / 8);
-    lv_bar_set_style_indic(sc_data->bar_cpu, &cpu_bars);
+    lv_obj_set_style(sc_data->bar_cpu, &cpu_bar_bg);
+    lv_bar_set_style_indic(sc_data->bar_cpu, &cpu_bar_indic);
     lv_obj_set_click(sc_data->bar_cpu, false);
     lv_bar_set_range(sc_data->bar_cpu, 0, 100);
     lv_obj_t * label = lv_label_create(sc_data->bar_cpu, NULL);
@@ -195,7 +205,8 @@ static void my_sc_open(lv_app_inst_t * app, lv_obj_t * sc)
 
     sc_data->bar_mem = lv_bar_create(sc, sc_data->bar_cpu);
     lv_obj_align(sc_data->bar_mem, sc_data->bar_cpu, LV_ALIGN_OUT_RIGHT_MID, w, 0);
-    lv_bar_set_style_indic(sc_data->bar_mem, &mem_bars);
+    lv_obj_set_style(sc_data->bar_mem, &mem_bar_bg);
+    lv_bar_set_style_indic(sc_data->bar_mem, &mem_bar_indic);
     label = lv_label_create(sc_data->bar_mem, NULL);
     lv_label_set_text(label, "M\nE\nM");
     lv_obj_align(label, NULL, LV_ALIGN_CENTER, 0, 0);
@@ -223,6 +234,8 @@ static void my_win_open(lv_app_inst_t * app, lv_obj_t * win)
 {
     my_win_data_t * win_data = app->win_data;
 
+    lv_cont_set_layout(lv_page_get_scrl(lv_win_get_page(win)), LV_CONT_LAYOUT_PRETTY);
+
     /*Create a chart with two data lines*/
     win_data->chart = lv_chart_create(win, NULL);
     lv_obj_set_size(win_data->chart, LV_HOR_RES / 2, LV_VER_RES / 2);
@@ -231,8 +244,8 @@ static void my_win_open(lv_app_inst_t * app, lv_obj_t * win)
     lv_chart_set_range(win_data->chart, 0, 100);
     lv_chart_set_type(win_data->chart, LV_CHART_LINE);
     lv_chart_set_dl_width(win_data->chart, 2 * LV_DOWNSCALE);
-    win_data->cpu_dl =  lv_chart_add_dataline(win_data->chart, COLOR_RED);
-    win_data->mem_dl =  lv_chart_add_dataline(win_data->chart, COLOR_BLUE);
+    win_data->cpu_dl =  lv_chart_add_data_line(win_data->chart, COLOR_RED);
+    win_data->mem_dl =  lv_chart_add_data_line(win_data->chart, COLOR_BLUE);
 
     uint16_t i;
     for(i = 0; i < LV_APP_SYSMON_PNUM; i ++) {
diff --git a/lv_appx/lv_app_terminal.c b/lv_appx/lv_app_terminal.c
index a22f7138b..02071a84c 100644
--- a/lv_appx/lv_app_terminal.c
+++ b/lv_appx/lv_app_terminal.c
@@ -31,7 +31,7 @@
 /*********************
  *      DEFINES
  *********************/
-#define OBJ_PAD (LV_DPI / 4)
+#define OBJ_PAD (LV_DPI / 12)
 
 /**********************
  *      TYPEDEFS
@@ -144,9 +144,17 @@ static void my_app_run(lv_app_inst_t * app, void * conf)
 {
     /*Initialize the application*/
     my_app_data_t * app_data = app->app_data;
-    app_data->com_type = LV_APP_COM_TYPE_CHAR;
-    app_data->format = LV_APP_TERMINAL_FORMAT_ASCII;
+
+    if(conf != NULL) {
+        app_data->com_type = ((lv_app_terminal_conf_t * ) conf)->com_type;
+        app_data->format = ((lv_app_terminal_conf_t * ) conf)->format;
+    } else {
+        app_data->com_type = LV_APP_COM_TYPE_CHAR;
+        app_data->format = LV_APP_TERMINAL_FORMAT_ASCII;
+    }
+
     app_data->last_sender = NULL;
+
     memset(app_data->txt, 0, sizeof(app_data->txt));
 }
 
@@ -326,7 +334,7 @@ static void my_conf_open(lv_app_inst_t * app, lv_obj_t * conf_win)
  */
 static lv_action_res_t win_ta_rel_action(lv_obj_t * ta, lv_dispi_t * dispi)
 {
-    lv_app_kb_open(ta, LV_APP_KB_MODE_TXT, NULL, win_ta_kb_ok_action);
+    lv_app_kb_open(ta, LV_APP_KB_MODE_TXT | LV_APP_KB_MODE_WIN_RESIZE, NULL, win_ta_kb_ok_action);
 
     return LV_ACTION_RES_OK;
 }
diff --git a/lv_appx/lv_app_terminal.h b/lv_appx/lv_app_terminal.h
index 70c32d91d..b2bda2f18 100644
--- a/lv_appx/lv_app_terminal.h
+++ b/lv_appx/lv_app_terminal.h
@@ -28,7 +28,8 @@ typedef enum
 
 typedef struct
 {
-
+    lv_app_terminal_format_t format;    /*Data display format*/
+    lv_app_com_type_t com_type;          /*The listened communication type (channel) */
 }lv_app_terminal_conf_t;
 
 /**********************
diff --git a/lv_draw/lv_draw.c b/lv_draw/lv_draw.c
index 761b6c52d..b3e9ce856 100644
--- a/lv_draw/lv_draw.c
+++ b/lv_draw/lv_draw.c
@@ -347,7 +347,6 @@ void lv_draw_img(const area_t * cords_p, const area_t * mask_p,
             cord_t row;
             area_t act_area;
 
-
             area_t mask_sub;
             bool union_ok;
             union_ok = area_union(&mask_sub, mask_p, cords_p);
diff --git a/lv_obj/lv_obj.c b/lv_obj/lv_obj.c
index 51ab851a3..0b171afe5 100644
--- a/lv_obj/lv_obj.c
+++ b/lv_obj/lv_obj.c
@@ -1234,7 +1234,7 @@ cord_t lv_obj_get_height(lv_obj_t * obj)
  * @param obj pointer to an object
  * @return the extended size attribute
  */
-cord_t lv_obj_getext_size(lv_obj_t * obj)
+cord_t lv_obj_get_ext_size(lv_obj_t * obj)
 {
     return obj->ext_size;
 }
diff --git a/lv_obj/lv_obj.h b/lv_obj/lv_obj.h
index 5985c1d8d..f4ddee676 100644
--- a/lv_obj/lv_obj.h
+++ b/lv_obj/lv_obj.h
@@ -551,7 +551,7 @@ cord_t lv_obj_get_height(lv_obj_t * obj);
  * @param obj pointer to an object
  * @return the extended size attribute
  */
-cord_t lv_obj_getext_size(lv_obj_t * obj);
+cord_t lv_obj_get_ext_size(lv_obj_t * obj);
 
 /**
  * Get the style pointer of an object
diff --git a/lv_obj/lv_style.c b/lv_obj/lv_style.c
index 3caa1adba..cc12e7d03 100644
--- a/lv_obj/lv_style.c
+++ b/lv_obj/lv_style.c
@@ -51,120 +51,115 @@ static lv_style_t lv_style_btn_ina;
  */
 void lv_style_init (void)
 {
-
     /* Not White/Black/Gray colors are created by HSV model with
      * HUE = 210*/
 
     /*Screen style*/
-    lv_style_set_ccolor(&lv_style_scr, COLOR_MAKE(0x20, 0x20, 0x20));
-    lv_style_set_opa(&lv_style_scr, OPA_COVER);
+    lv_style_scr.ccolor = COLOR_MAKE(0x20, 0x20, 0x20);
+    lv_style_scr.opa = OPA_COVER;
 
-    lv_style_set_mcolor(&lv_style_scr, COLOR_WHITE);//MAKE(0xc9, 0xdb, 0xee));
-    lv_style_set_gcolor(&lv_style_scr, COLOR_WHITE);//MAKE(0x4d, 0x91, 0xd5));
-    lv_style_set_bcolor(&lv_style_scr, COLOR_BLACK);
-    lv_style_set_scolor(&lv_style_scr, COLOR_GRAY);
-    lv_style_set_radius(&lv_style_scr, 0);
-    lv_style_set_bwidth(&lv_style_scr, 0);
-    lv_style_set_swidth(&lv_style_scr, 0);
-    lv_style_set_vpad(&lv_style_scr, LV_DPI / 12);
-    lv_style_set_hpad(&lv_style_scr, LV_DPI / 12);
-    lv_style_set_opad(&lv_style_scr, LV_DPI / 12);
-    lv_style_set_bopa(&lv_style_scr, OPA_COVER);
-    lv_style_set_empty(&lv_style_scr, false);
-    lv_style_set_stype(&lv_style_scr, LV_STYPE_FULL);
+    lv_style_scr.mcolor = COLOR_MAKE(0xc9, 0xdb, 0xee);
+    lv_style_scr.gcolor = COLOR_MAKE(0x4d, 0x91, 0xd5);
+    lv_style_scr.bcolor = COLOR_BLACK;
+    lv_style_scr.scolor = COLOR_GRAY;
+    lv_style_scr.radius = 0;
+    lv_style_scr.bwidth = 0;
+    lv_style_scr.swidth = 0;
+    lv_style_scr.stype = LV_STYPE_FULL;
+    lv_style_scr.vpad = LV_DPI / 12;
+    lv_style_scr.hpad = LV_DPI / 12;
+    lv_style_scr.opad = LV_DPI / 12;
+    lv_style_scr.bopa = OPA_COVER;
+    lv_style_scr.empty = 0;
     lv_style_scr.glass = 0;
 
-    lv_style_set_font(&lv_style_scr, font_get(FONT_DEFAULT));
-    lv_style_set_letter_space(&lv_style_scr, 1 * LV_DOWNSCALE);
-    lv_style_set_line_space(&lv_style_scr, 3 * LV_DOWNSCALE);
-    lv_style_set_txt_align(&lv_style_scr, 0);
-
-    lv_style_set_img_recolor(&lv_style_scr, OPA_TRANSP);
-
-    lv_style_set_line_width(&lv_style_scr, 1 * LV_DOWNSCALE);
+    lv_style_scr.font = font_get(FONT_DEFAULT);
+    lv_style_scr.letter_space = 1 * LV_DOWNSCALE;
+    lv_style_scr.line_space = 3 * LV_DOWNSCALE;
+    lv_style_scr.txt_align = 0;
+    lv_style_scr.img_recolor = OPA_TRANSP;
+    lv_style_scr.line_width = 1 * LV_DOWNSCALE;
 
     /*Plain style (by default near the same as the screen style)*/
     memcpy(&lv_style_plain, &lv_style_scr, sizeof(lv_style_t));
-    lv_style_set_mcolor(&lv_style_plain, COLOR_WHITE);
-    lv_style_set_gcolor(&lv_style_plain, COLOR_WHITE);
-    lv_style_set_bcolor(&lv_style_plain, COLOR_WHITE);
+    lv_style_plain.mcolor = COLOR_WHITE;
+    lv_style_plain.gcolor = COLOR_WHITE;
+    lv_style_plain.bcolor = COLOR_WHITE;
 
     /*Plain color style*/
     memcpy(&lv_style_plain_color, &lv_style_plain, sizeof(lv_style_t));
-    lv_style_set_ccolor(&lv_style_plain_color, COLOR_MAKE(0xf0, 0xf0, 0xf0));
-    lv_style_set_mcolor(&lv_style_plain_color, COLOR_MAKE(0x55, 0x96, 0xd8));
-    lv_style_set_gcolor(&lv_style_plain_color, lv_style_plain_color.mcolor);
+    lv_style_plain_color.ccolor = COLOR_MAKE(0xf0, 0xf0, 0xf0);
+    lv_style_plain_color.mcolor = COLOR_MAKE(0x55, 0x96, 0xd8);
+    lv_style_plain_color.gcolor = lv_style_plain_color.mcolor;
 
     /*Pretty style */
     memcpy(&lv_style_pretty, &lv_style_plain, sizeof(lv_style_t));
-    lv_style_set_ccolor(&lv_style_pretty, COLOR_MAKE(0x20, 0x20, 0x20));
-    lv_style_set_mcolor(&lv_style_pretty, COLOR_WHITE);
-    lv_style_set_gcolor(&lv_style_pretty, COLOR_SILVER);
-    lv_style_set_bcolor(&lv_style_pretty, COLOR_MAKE(0x40, 0x40, 0x40));
-    lv_style_set_radius(&lv_style_pretty, LV_DPI / 12);
-    lv_style_set_bwidth(&lv_style_pretty, LV_DPI / 40 >= 1 ? LV_DPI / 40  : 1);
-    lv_style_set_bopa(&lv_style_pretty, OPA_50);
+    lv_style_pretty.ccolor = COLOR_MAKE(0x20, 0x20, 0x20);
+    lv_style_pretty.mcolor = COLOR_WHITE;
+    lv_style_pretty.gcolor = COLOR_SILVER;
+    lv_style_pretty.bcolor = COLOR_MAKE(0x40, 0x40, 0x40);
+    lv_style_pretty.radius = LV_DPI / 15;
+    lv_style_pretty.bwidth = LV_DPI / 50 >= 1 ? LV_DPI / 50  : 1;
+    lv_style_pretty.bopa = OPA_50;
 
     /*Pretty color style*/
     memcpy(&lv_style_pretty_color, &lv_style_pretty, sizeof(lv_style_t));
-    lv_style_set_ccolor(&lv_style_pretty_color, COLOR_MAKE(0xe0, 0xe0, 0xe0));
-    lv_style_set_mcolor(&lv_style_pretty_color, COLOR_MAKE(0x6b, 0x9a, 0xc7));
-    lv_style_set_gcolor(&lv_style_pretty_color, COLOR_MAKE(0x2b, 0x59, 0x8b));
-    lv_style_set_bcolor(&lv_style_pretty_color, COLOR_MAKE(0x15, 0x2c, 0x42));
-    lv_style_set_scolor(&lv_style_pretty_color, COLOR_GRAY);
-    lv_style_set_swidth(&lv_style_pretty_color, 0);
+    lv_style_pretty_color.ccolor = COLOR_MAKE(0xe0, 0xe0, 0xe0);
+    lv_style_pretty_color.mcolor = COLOR_MAKE(0x6b, 0x9a, 0xc7);
+    lv_style_pretty_color.gcolor = COLOR_MAKE(0x2b, 0x59, 0x8b);
+    lv_style_pretty_color.bcolor = COLOR_MAKE(0x15, 0x2c, 0x42);
 
     /*Transparent style*/
     memcpy(&lv_style_transp, &lv_style_plain, sizeof(lv_style_t));
-    lv_style_set_empty(&lv_style_transp, true);
-    lv_style_set_bwidth(&lv_style_transp, 0);
+    lv_style_transp.empty = 1;
+    lv_style_transp.bwidth = 0;
     lv_style_transp.glass = 1;
 
     /*Transparent tight style*/
     memcpy(&lv_style_transp_tight, &lv_style_transp, sizeof(lv_style_t));
-    lv_style_set_hpad(&lv_style_transp_tight, 0);
-    lv_style_set_vpad(&lv_style_transp_tight, 0);
+    lv_style_transp_tight.hpad = 0;
+    lv_style_transp_tight.vpad = 0;
 
     /*Button released style*/
     memcpy(&lv_style_btn_rel, &lv_style_plain, sizeof(lv_style_t));
-    lv_style_set_mcolor(&lv_style_btn_rel, COLOR_MAKE(0x76, 0xa2, 0xd0));
-    lv_style_set_gcolor(&lv_style_btn_rel, COLOR_MAKE(0x19, 0x3a, 0x5d));
-    lv_style_set_bcolor(&lv_style_btn_rel, COLOR_MAKE(0x0b, 0x19, 0x28));
-    lv_style_set_ccolor(&lv_style_btn_rel, COLOR_MAKE(0xff, 0xff, 0xff));
-    lv_style_set_bwidth(&lv_style_btn_rel, LV_DPI / 40 >= 1 ? LV_DPI / 40  : 1);
-    lv_style_set_radius(&lv_style_btn_rel, LV_DPI / 12);
-    lv_style_set_bopa(&lv_style_btn_rel, OPA_70);
-    lv_style_set_scolor(&lv_style_btn_rel, COLOR_GRAY);
-    lv_style_set_swidth(&lv_style_btn_rel, 0);
-    lv_style_set_hpad(&lv_style_btn_rel, LV_DPI / 4);
-    lv_style_set_vpad(&lv_style_btn_rel, LV_DPI / 6);
-    lv_style_set_opad(&lv_style_btn_rel, LV_DPI / 10);
+    lv_style_btn_rel.mcolor = COLOR_MAKE(0x76, 0xa2, 0xd0);
+    lv_style_btn_rel.gcolor = COLOR_MAKE(0x19, 0x3a, 0x5d);
+    lv_style_btn_rel.bcolor = COLOR_MAKE(0x0b, 0x19, 0x28);
+    lv_style_btn_rel.ccolor = COLOR_MAKE(0xff, 0xff, 0xff);
+    lv_style_btn_rel.bwidth = LV_DPI / 50 >= 1 ? LV_DPI / 50  : 1;
+    lv_style_btn_rel.radius = LV_DPI / 15;
+    lv_style_btn_rel.bopa = OPA_70;
+    lv_style_btn_rel.scolor = COLOR_GRAY;
+    lv_style_btn_rel.swidth = 0;
+    lv_style_btn_rel.hpad = LV_DPI / 4;
+    lv_style_btn_rel.vpad = LV_DPI / 6;
+    lv_style_btn_rel.opad = LV_DPI / 10;
 
     /*Button pressed style*/
     memcpy(&lv_style_btn_pr, &lv_style_btn_rel, sizeof(lv_style_t));
-    lv_style_set_mcolor(&lv_style_btn_pr, COLOR_MAKE(0x33, 0x62, 0x94));
-    lv_style_set_gcolor(&lv_style_btn_pr, COLOR_MAKE(0x10, 0x26, 0x3c));
-    lv_style_set_ccolor(&lv_style_btn_pr, COLOR_MAKE(0xa4, 0xb5, 0xc6));
+    lv_style_btn_pr.mcolor = COLOR_MAKE(0x33, 0x62, 0x94);
+    lv_style_btn_pr.gcolor = COLOR_MAKE(0x10, 0x26, 0x3c);
+    lv_style_btn_pr.ccolor = COLOR_MAKE(0xa4, 0xb5, 0xc6);
 
     /*Button toggle released style*/
     memcpy(&lv_style_btn_trel, &lv_style_btn_rel, sizeof(lv_style_t));
-    lv_style_set_mcolor(&lv_style_btn_trel, COLOR_MAKE(0x0a, 0x11, 0x22));
-    lv_style_set_gcolor(&lv_style_btn_trel, COLOR_MAKE(0x37, 0x62, 0x90));
-    lv_style_set_bcolor(&lv_style_btn_trel, COLOR_MAKE(0x01, 0x07, 0x0d));
-    lv_style_set_ccolor(&lv_style_btn_trel, COLOR_MAKE(0xc8, 0xdd, 0xf4));
+    lv_style_btn_trel.mcolor = COLOR_MAKE(0x0a, 0x11, 0x22);
+    lv_style_btn_trel.gcolor = COLOR_MAKE(0x37, 0x62, 0x90);
+    lv_style_btn_trel.bcolor = COLOR_MAKE(0x01, 0x07, 0x0d);
+    lv_style_btn_trel.ccolor = COLOR_MAKE(0xc8, 0xdd, 0xf4);
 
     /*Button toggle pressed style*/
     memcpy(&lv_style_btn_tpr, &lv_style_btn_rel, sizeof(lv_style_t));
-    lv_style_set_mcolor(&lv_style_btn_tpr, COLOR_MAKE(0x02, 0x14, 0x27));
-    lv_style_set_gcolor(&lv_style_btn_tpr, COLOR_MAKE(0x2b, 0x4c, 0x70));
-    lv_style_set_ccolor(&lv_style_btn_tpr, COLOR_MAKE(0xa4, 0xb5, 0xc6));
+    lv_style_btn_tpr.mcolor = COLOR_MAKE(0x02, 0x14, 0x27);
+    lv_style_btn_tpr.gcolor = COLOR_MAKE(0x2b, 0x4c, 0x70);
+    lv_style_btn_tpr.ccolor = COLOR_MAKE(0xa4, 0xb5, 0xc6);
 
     /*Button inactive style*/
     memcpy(&lv_style_btn_ina, &lv_style_btn_rel, sizeof(lv_style_t));
-    lv_style_set_mcolor(&lv_style_btn_ina, COLOR_MAKE(0xd8, 0xd8, 0xd8));
-    lv_style_set_gcolor(&lv_style_btn_ina, COLOR_MAKE(0xd8, 0xd8, 0xd8));
-    lv_style_set_bcolor(&lv_style_btn_ina, COLOR_MAKE(0x90, 0x90, 0x90));
-    lv_style_set_ccolor(&lv_style_btn_ina, COLOR_MAKE(0x70, 0x70, 0x70));
+    lv_style_btn_ina.mcolor = COLOR_MAKE(0xd8, 0xd8, 0xd8);
+    lv_style_btn_ina.gcolor = COLOR_MAKE(0xd8, 0xd8, 0xd8);
+    lv_style_btn_ina.bcolor = COLOR_MAKE(0x90, 0x90, 0x90);
+    lv_style_btn_ina.ccolor = COLOR_MAKE(0x70, 0x70, 0x70);
 }
 
 
@@ -223,453 +218,6 @@ lv_style_t * lv_style_get(lv_style_name_t style_name, lv_style_t * copy)
     return style;
 }
 
-/**
- * Set the content color of a style
- * @param style pointer to style
- * @param ccolor content color
- */
-void lv_style_set_ccolor(lv_style_t * style, color_t ccolor)
-{
-    style->ccolor = ccolor;
-}
-
-/**
- * Set the opacity of a style
- * @param style pointer to style
- * @param opa opacity (OPA_COVER, OPA_TRANSP, OPA_10, OPA_20 ... OPA_90)
- */
-void lv_style_set_opa(lv_style_t * style, opa_t opa)
-{
-    style->opa = opa;
-}
-
-
-/**
- * Set the container main color of a style
- * @param style pointer to style
- * @param mcolor main color of the background
- */
-void lv_style_set_mcolor(lv_style_t * style, color_t mcolor)
-{
-    style->mcolor = mcolor;
-}
-
-
-/**
- * Set the container gradient color of a style
- * @param style pointer to style
- * @param gcolor gradient color of the background
- */
-void lv_style_set_gcolor(lv_style_t * style, color_t gcolor)
-{
-    style->gcolor = gcolor;
-}
-
-/**
- * Set the container border color of a style
- * @param style pointer to style
- * @param bcolor border color of the background
- */
-void lv_style_set_bcolor(lv_style_t * style, color_t bcolor)
-{
-    style->bcolor = bcolor;
-}
-
-
-/**
- * Set the container shadow color of a style
- * @param style pointer to style
- * @param scolor shadow color of the background
- */
-void lv_style_set_scolor(lv_style_t * style, color_t scolor)
-{
-    style->scolor = scolor;
-}
-
-/**
- * Set the container corner radius of a style
- * @param style pointer to style
- * @param radius corner radius of the background (>= 0)
- */
-void lv_style_set_radius(lv_style_t * style, cord_t radius)
-{
-    style->radius = radius;
-}
-
-
-/**
- * Set the container border width of a style
- * @param style pointer to style
- * @param bwidth border width of the background (>= 0, 0 means no border)
- */
-void lv_style_set_bwidth(lv_style_t * style, cord_t bwidth)
-{
-    style->bwidth = bwidth;
-}
-
-
-/**
- * Set the container shadow width of a style
- * @param style pointer to style
- * @param swidth shadow width of the background (>= 0, 0 means no shadow)
- */
-void lv_style_set_swidth(lv_style_t * style, cord_t swidth)
-{
-    style->swidth = swidth;
-}
-
-
-/**
- * Set the container vertical padding of a style
- * @param style pointer to style
- * @param vpad vertical padding on the background
- */
-void lv_style_set_vpad(lv_style_t * style, cord_t vpad)
-{
-    style->vpad = vpad;
-}
-
-
-/**
- * Set the container horizontal padding of a style
- * @param style pointer to style
- * @param hpad horizontal padding on the background
- */
-void lv_style_set_hpad(lv_style_t * style, cord_t hpad)
-{
-    style->hpad = hpad;
-}
-
-/**
- * Set the container object padding of a style
- * @param style pointer to style
- * @param opad padding between objects on the background
- */
-void lv_style_set_opad(lv_style_t * style, cord_t opad)
-{
-    style->opad = opad;
-}
-
-/**
- * Set the container border opacity of a style (relative to the object opacity)
- * @param style pointer to style
- * @param bopa border opacity of the background  (OPA_COVER, OPA_TRANSP, OPA_10, OPA_20 ... OPA_90)
- */
-void lv_style_set_bopa(lv_style_t * style, opa_t bopa)
-{
-    style->bopa = bopa;
-}
-
-
-/**
- * Set container empty attribute of a style (transparent background but border drawn)
- * @param style pointer to style
- * @param empty true: empty enable, false: empty disable
- */
-void lv_style_set_empty(lv_style_t * style, bool empty)
-{
-    style->empty = empty == false ? 0 : 1;
-}
-
-/**
- * Set the shadow type (position) of a style
- * @param style pointer to style
- * @param stype shadow type from 'lv_shadow_type_t' enum
- */
-void lv_style_set_stype(lv_style_t * style, lv_stype_t stype)
-{
-    style->stype = stype;
-}
-
-/**
- * Set the font of a style
- * @param style pointer to style
- * @param font pointer to a fint
- */
-void lv_style_set_font(lv_style_t * style, const font_t * font)
-{
-    style->font = font;
-}
-
-
-/**
- * Set the letter space of a style
- * @param style pointer to style
- * @param letter_space new letter space
- */
-void lv_style_set_letter_space(lv_style_t * style, cord_t letter_space)
-{
-    style->letter_space = letter_space;
-}
-
-
-/**
- * Set the line space of a style
- * @param style pointer to style
- * @param line_space new letter space
- */
-void lv_style_set_line_space(lv_style_t * style, cord_t line_space)
-{
-    style->line_space = line_space;
-}
-
-/**
- * Set the text align of a style
- * @param style pointer to style
- * @param align type of text alignment from 'lv_txt_align_t'
- */
-void lv_style_set_txt_align(lv_style_t * style, lv_txt_align_t align)
-{
-    style->txt_align = align;
-}
-
-
-/**
- * Set the image re-color intensity of a style
- * @param style pointer to style
- * @param recolor re-coloring intensity (OPA_TRANSP: do nothing, OPA_COVER: fully re-color, OPA_10: little re-color)
- */
-void lv_style_set_img_recolor(lv_style_t * style, opa_t recolor)
-{
-    style->img_recolor = recolor;
-}
-
-
-/**
- * Set the line width of a style
- * @param style pointer to style
- * @param width new line width (>=0)
- */
-void lv_style_set_line_width(lv_style_t * style, cord_t width)
-{
-    style->line_width = width;
-}
-
-/*************************
- *   GET FUNTIONS
- *************************/
-/**
- * Get the content color of a style
- * @param style pointer to style
- * @return content color
- */
-color_t lv_style_get_ccolor(lv_style_t * style)
-{
-    return style->ccolor;
-}
-
-/**
- * Get the opacity of a style
- * @param style pointer to style
- * @return opacity (OPA_COVER, OPA_TRANSP, OPA_10, OPA_20 ... OPA_90)
- */
-opa_t lv_style_get_opa(lv_style_t * style)
-{
-    return style->opa;
-}
-
-/**
- * Get the container main color of a style
- * @param style pointer to style
- * @return main color of the background
- */
-color_t lv_style_get_mcolor(lv_style_t * style)
-{
-    return style->mcolor;
-}
-
-
-/**
- * Get the container gradient color of a style
- * @param style pointer to style
- * @return gradient color of the background
- */
-color_t lv_style_get_gcolor(lv_style_t * style)
-{
-    return style->gcolor;
-}
-
-/**
- * Get the container border color of a style
- * @param style pointer to style
- * @return border color of the background
- */
-color_t lv_style_get_bcolor(lv_style_t * style)
-{
-    return style->bcolor;
-}
-
-
-/**
- * Get the container shadow color of a style
- * @param style pointer to style
- * @return shadow color of the background
- */
-color_t lv_style_get_Scolor(lv_style_t * style)
-{
-    return style->scolor;
-}
-
-/**
- * Get the container corner radius of a style
- * @param style pointer to style
- * @return corner radius of the background (>= 0)
- */
-   cord_t lv_style_get_radius(lv_style_t * style)
-{
-    return style->radius;
-}
-
-
-/**
- * Get the container border width of a style
- * @param style pointer to style
- * @return border width of the background (>= 0, 0 means no border)
- */
-cord_t lv_style_get_bwidth(lv_style_t * style)
-{
-    return style->bwidth;
-}
-
-
-/**
- * Get the container shadow width of a style
- * @param style pointer to style
- * @return shadow width of the background (>= 0, 0 means no shadow)
- */
-cord_t lv_style_get_swidth(lv_style_t * style)
-{
-    return style->swidth;
-}
-
-
-/**
- * Get the container vertical padding of a style
- * @param style pointer to style
- * @return vertical padding on the background
- */
-cord_t lv_style_get_vpad(lv_style_t * style)
-{
-    return style->vpad;
-}
-
-
-/**
- * Get the container horizontal padding of a style
- * @param style pointer to style
- * @return horizontal padding on the background
- */
-cord_t lv_style_get_hpad(lv_style_t * style)
-{
-    return style->hpad;
-}
-
-/**
- * Get the container object padding of a style
- * @param style pointer to style
- * @return padding between objects on the background
- */
-cord_t lv_style_get_opad(lv_style_t * style)
-{
-    return style->opad;
-}
-
-/**
- * Get the container border opacity of a style (relative to the object opacity)
- * @param style pointer to style
- * @return border opacity of the background  (OPA_COVER, OPA_TRANSP, OPA_10, OPA_20 ... OPA_90)
- */
-opa_t lv_style_get_bopa(lv_style_t * style)
-{
-    return style->bopa;
-}
-
-
-/**
- * Get container empty attribute of a style (transparent background but border drawn)
- * @param style pointer to style
- * @return true: empty enable, false: empty disable
- */
-bool lv_style_get_empty(lv_style_t * style, bool empty)
-{
-    return style->empty == false ? 0 : 1;
-}
-
-/**
- * Get the shadow type attribute
- * @param style pointer to style
- * @return shadow type from 'lv_stype_t' enum
- */
-bool lv_style_get_stype(lv_style_t * style, bool empty)
-{
-    return style->stype;
-}
-
-/**
- * Get the font of a style
- * @param style pointer to style
- * @return pointer to a fint
- */
-const font_t * lv_style_get_font(lv_style_t * style)
-{
-    return style->font;
-}
-
-
-/**
- * Get the letter space of a style
- * @param style pointer to style
- * @return new letter space
- */
-cord_t lv_style_get_letter_space(lv_style_t * style)
-{
-    return style->letter_space;
-}
-
-
-/**
- * Get the line space of a style
- * @param style pointer to style
- * @return new letter space
- */
-cord_t lv_style_get_line_space(lv_style_t * style)
-{
-    return style->line_space;
-}
-
-/**
- * Get the text align of a style
- * @param style pointer to style
- * @return type of text alignment from 'lv_txt_align_t'
- */
-lv_txt_align_t lv_style_get_txt_align(lv_style_t * style)
-{
-    return style->txt_align;
-}
-
-
-/**
- * Get the image re-color intensity of a style
- * @param style pointer to style
- * @return re-coloring intensity (OPA_TRANSP: do nothing, OPA_COVER: fully re-color, OPA_10: little re-color)
- */
-opa_t lv_style_get_img_recolor(lv_style_t * style)
-{
-    return style->img_recolor;
-}
-
-
-/**
- * Get the line width of a style
- * @param style pointer to style
- * @return new line width (>=0)
- */
-cord_t lv_style_get_line_width(lv_style_t * style)
-{
-    return style->line_width;
-}
-
-
 /**********************
  *   STATIC FUNCTIONS
  **********************/
diff --git a/lv_obj/lv_style.h b/lv_obj/lv_style.h
index 4191005cc..b1400dd8e 100644
--- a/lv_obj/lv_style.h
+++ b/lv_obj/lv_style.h
@@ -43,7 +43,8 @@ typedef struct
     opa_t opa;          /*Opacity of the object*/
     uint8_t glass :1;   /*1: Do not inherit this style*/
     uint8_t empty :1;   /*Transparent background (border drawn)*/
-    uint8_t stype :3;   /*Shadow type from 'lv_shadow_type_t'*/
+    uint8_t stype :2;   /*Shadow type from 'lv_shadow_type_t'*/
+    uint8_t txt_align:2;
     color_t mcolor;     /*Main color of background*/
     color_t gcolor;     /*Gradient color of background*/
     color_t bcolor;     /*Border color of background*/
@@ -58,7 +59,6 @@ typedef struct
     const font_t * font;
     cord_t letter_space;
     cord_t line_space;
-    uint8_t txt_align;
     opa_t img_recolor;
     cord_t line_width;
 }lv_style_t;
diff --git a/lv_objx/lv_bar.c b/lv_objx/lv_bar.c
index 0c1b37d5c..bbd68ef08 100644
--- a/lv_objx/lv_bar.c
+++ b/lv_objx/lv_bar.c
@@ -244,8 +244,6 @@ static bool lv_bar_design(lv_obj_t * bar, const area_t * mask, lv_design_mode_t
 
 		lv_bar_ext_t * ext = lv_obj_get_ext(bar);
 
-
-
         lv_style_t * style_indic = lv_bar_get_style_indic(bar);
 		area_t indic_area;
 		area_cpy(&indic_area, &bar->cords);
diff --git a/lv_objx/lv_btnm.c b/lv_objx/lv_btnm.c
index 4afb1a8ab..d51bd7510 100644
--- a/lv_objx/lv_btnm.c
+++ b/lv_objx/lv_btnm.c
@@ -396,7 +396,6 @@ static bool lv_btnm_design(lv_obj_t * btnm, const area_t * mask, lv_design_mode_
     	ancestor_design_f(btnm, mask, mode);
 
     	lv_btnm_ext_t * ext = lv_obj_get_ext(btnm);
-    	lv_style_t * style = lv_obj_get_style(btnm);
         lv_style_t * btn_style;
 
     	area_t area_btnm;
diff --git a/lv_objx/lv_cb.h b/lv_objx/lv_cb.h
index 307737b58..e1d169b3a 100644
--- a/lv_objx/lv_cb.h
+++ b/lv_objx/lv_cb.h
@@ -76,7 +76,13 @@ void lv_cb_set_text(lv_obj_t * cb, const char * txt);
  */
 const char * lv_cb_get_text(lv_obj_t * cb);
 
+/**
+ * Get the bullet (lv_btn) of a check box
+ * @param cb pointer to check box object
+ * @return pointer to the bullet of the check box (lv_btn)
+ */
 lv_obj_t *  lv_cb_get_bullet(lv_obj_t * cb);
+
 /**********************
  *      MACROS
  **********************/
diff --git a/lv_objx/lv_chart.c b/lv_objx/lv_chart.c
index 37aff871a..fa0a7fefc 100644
--- a/lv_objx/lv_chart.c
+++ b/lv_objx/lv_chart.c
@@ -139,7 +139,7 @@ bool lv_chart_signal(lv_obj_t * chart, lv_signal_t sign, void * param)
  * @param color color of the data line
  * @return pointer to the allocated data line (
  */
-lv_chart_dl_t * lv_chart_add_dataline(lv_obj_t * chart, color_t color)
+lv_chart_dl_t * lv_chart_add_data_line(lv_obj_t * chart, color_t color)
 {
 	lv_chart_ext_t * ext = lv_obj_get_ext(chart);
 	lv_chart_dl_t * dl = ll_ins_head(&ext->dl_ll);
diff --git a/lv_objx/lv_chart.h b/lv_objx/lv_chart.h
index aaf3b5fd0..ab2f54762 100644
--- a/lv_objx/lv_chart.h
+++ b/lv_objx/lv_chart.h
@@ -18,7 +18,6 @@
 /*********************
  *      DEFINES
  *********************/
-#define LV_CHART_DL_NUM		8	/*Max data line number. Used in the style.*/
 
 /**********************
  *      TYPEDEFS
@@ -83,7 +82,7 @@ bool lv_chart_signal(lv_obj_t * chart, lv_signal_t sign, void * param);
  * @param color color of the data line
  * @return pointer to the allocated data line (
  */
-lv_chart_dl_t * lv_chart_add_dataline(lv_obj_t * chart, color_t color);
+lv_chart_dl_t * lv_chart_add_data_line(lv_obj_t * chart, color_t color);
 
 /**
  * Refresh a chart if its data line has changed
diff --git a/lv_objx/lv_cont.h b/lv_objx/lv_cont.h
index 0166ad7c3..57f205592 100644
--- a/lv_objx/lv_cont.h
+++ b/lv_objx/lv_cont.h
@@ -30,9 +30,9 @@ typedef enum
 	LV_CONT_LAYOUT_COL_L,	/*Column left align*/
 	LV_CONT_LAYOUT_COL_M,	/*Column middle align*/
 	LV_CONT_LAYOUT_COL_R,	/*Column right align*/
-	LV_CONT_LAYOUT_ROW_T,	/*Row left align*/
+	LV_CONT_LAYOUT_ROW_T,	/*Row top align*/
 	LV_CONT_LAYOUT_ROW_M,	/*Row middle align*/
-	LV_CONT_LAYOUT_ROW_B,	/*Row right align*/
+	LV_CONT_LAYOUT_ROW_B,	/*Row bottom align*/
 	LV_CONT_LAYOUT_PRETTY,	/*Put as many object as possible in row and begin a new row*/
 	LV_CONT_LAYOUT_GRID,	/*Align same-sized object into a grid*/
 }lv_cont_layout_t;
diff --git a/lv_objx/lv_ddlist.c b/lv_objx/lv_ddlist.c
index db8b04e63..47068daf3 100644
--- a/lv_objx/lv_ddlist.c
+++ b/lv_objx/lv_ddlist.c
@@ -36,8 +36,7 @@ static void lv_ddlist_pos_act_option(lv_obj_t * ddlist);
  *  STATIC VARIABLES
  **********************/
 static lv_design_f_t  ancestor_design_f;
-static const char * def_options[] = {"Option 1", "Option 2", "Option 3","Option 4", "Option 5", "Option 6",
-                                     "Option 7", "Option 8", "Option 9","Option 10", "Option 11", "Option 12",""};
+static const char * def_options[] = {"Option 1", "Option 2", "Option 3", ""};
 /**********************
  *      MACROS
  **********************/
@@ -87,7 +86,6 @@ lv_obj_t * lv_ddlist_create(lv_obj_t * par, lv_obj_t * copy)
         lv_obj_set_style(scrl, lv_style_get(LV_STYLE_TRANSP, NULL));
 
         ext->opt_label = lv_label_create(new_ddlist, NULL);
-        lv_obj_set_style(ext->opt_label, lv_style_get(LV_STYLE_PRETTY, NULL));
         lv_cont_set_fit(new_ddlist, true, false);
         lv_page_set_rel_action(new_ddlist, lv_ddlist_rel_action);
         lv_page_set_sb_mode(new_ddlist, LV_PAGE_SB_MODE_DRAG);
@@ -258,7 +256,7 @@ bool lv_ddlist_get_auto_size(lv_obj_t * ddlist, bool auto_size)
  * @param ddlist pointer to a drop down list object
  * @return pointer the style of the select rectangle
  */
-lv_style_t * lv_dlist_get_style_select(lv_obj_t * ddlist)
+lv_style_t * lv_ddlist_get_style_select(lv_obj_t * ddlist)
 {
     lv_ddlist_ext_t * ext = lv_obj_get_ext(ddlist);
     if(ext->style_sel == NULL) return lv_obj_get_style(ddlist);
diff --git a/lv_objx/lv_ddlist.h b/lv_objx/lv_ddlist.h
index 11aa06590..f503cec71 100644
--- a/lv_objx/lv_ddlist.h
+++ b/lv_objx/lv_ddlist.h
@@ -132,7 +132,7 @@ bool lv_ddlist_get_auto_size(lv_obj_t * ddlist, bool auto_size);
  * @param ddlist pointer to a drop down list object
  * @return pointer the style of the select rectangle
  */
-lv_style_t * lv_dlist_get_style_select(lv_obj_t * ddlist);
+lv_style_t * lv_ddlist_get_style_select(lv_obj_t * ddlist);
 
 /**********************
  *      MACROS
diff --git a/lv_objx/lv_gauge.c b/lv_objx/lv_gauge.c
index ae8bda8c0..2eeaa2fa3 100644
--- a/lv_objx/lv_gauge.c
+++ b/lv_objx/lv_gauge.c
@@ -189,6 +189,9 @@ void lv_gauge_set_value(lv_obj_t * gauge, uint8_t needle, int16_t value)
 
     ext->values[needle] = value;
 
+    /*To be consistent with bar set the first needle's value for the bar*/
+    if(needle == 0) lv_bar_set_value(gauge, value);
+
     lv_obj_inv(gauge);
 }
 
@@ -309,6 +312,11 @@ static bool lv_gauge_design(lv_obj_t * gauge, const area_t * mask, lv_design_mod
         int16_t min = lv_bar_get_min_value(gauge);
         int16_t max = lv_bar_get_max_value(gauge);
 
+        /*To be consistent with bar use the bar value as the first needle*/
+        if(ext->needle_num  != 0) {
+            ext->values[0] = lv_bar_get_value(gauge);
+        }
+
         int16_t critical_val = ext->low_critical == 0 ? min : max;
         uint8_t i;
 
@@ -327,7 +335,8 @@ static bool lv_gauge_design(lv_obj_t * gauge, const area_t * mask, lv_design_mod
         style_bg.gcolor = color_mix(style_critical->gcolor, style_base->gcolor, ratio);
         style_bg.bcolor = color_mix(style_critical->bcolor, style_base->bcolor, ratio);
         style_bg.scolor = color_mix(style_critical->scolor, style_base->scolor, ratio);
-        style_bg.swidth = (cord_t)((cord_t)(style_critical->swidth + style_base->swidth) * ratio) >> 8;
+        style_bg.swidth = (cord_t)(((cord_t)style_critical->swidth * ratio) + ((cord_t)style_base->swidth * (OPA_COVER - ratio))) >> 8;
+        style_bg.opa = (cord_t)(((uint16_t)style_critical->opa * ratio) + ((uint16_t)style_base->opa * (OPA_COVER - ratio))) >> 8;
 
         lv_draw_rect(&gauge->cords, mask, &style_bg);
 
diff --git a/lv_objx/lv_img.c b/lv_objx/lv_img.c
index b7a1cf52a..a97ed6db0 100644
--- a/lv_objx/lv_img.c
+++ b/lv_objx/lv_img.c
@@ -68,6 +68,7 @@ lv_obj_t * lv_img_create(lv_obj_t * par, lv_obj_t * copy)
     ext->h = lv_obj_get_height(new_img);
     ext->transp = 0;
     ext->upscale = 0;
+    ext->auto_size = 1;
 
     /*Init the new object*/    
     lv_obj_set_signal_f(new_img, lv_img_signal);
diff --git a/lv_objx/lv_label.h b/lv_objx/lv_label.h
index c5b6f7db3..94fd1315c 100644
--- a/lv_objx/lv_label.h
+++ b/lv_objx/lv_label.h
@@ -29,8 +29,8 @@
 typedef enum
 {
     LV_LABEL_LONG_EXPAND,   /*Expand the object size to the text size*/
-    LV_LABEL_LONG_BREAK,    /*Keep the width and break the text and expand the object height*/
-    LV_LABEL_LONG_DOTS,     /*Keep the size, break the text and write dots in the last line*/
+    LV_LABEL_LONG_BREAK,    /*Keep the object width, break the too long lines and expand the object height*/
+    LV_LABEL_LONG_DOTS,     /*Keep the object size, break the text and write dots in the last line*/
     LV_LABEL_LONG_SCROLL,   /*Expand the object size and scroll the text on the parent (move the label object)*/
 }lv_label_long_mode_t;
 
diff --git a/lv_objx/lv_list.c b/lv_objx/lv_list.c
index b18718d09..9282a741e 100644
--- a/lv_objx/lv_list.c
+++ b/lv_objx/lv_list.c
@@ -291,7 +291,7 @@ void lv_list_set_style_img(lv_obj_t * list, lv_style_t * style)
  * @param liste pointer to list element
  * @return pointer to the text
  */
-const char * lv_list_element_get_txt(lv_obj_t * liste)
+const char * lv_list_get_element_text(lv_obj_t * liste)
 {
     /*The last child is the label*/
     lv_obj_t * label = lv_obj_get_child(liste, NULL);
diff --git a/lv_objx/lv_list.h b/lv_objx/lv_list.h
index 3dc1ee78e..b33c2e1ed 100644
--- a/lv_objx/lv_list.h
+++ b/lv_objx/lv_list.h
@@ -108,8 +108,8 @@ void lv_list_set_sb_out(lv_obj_t * list, bool out);
  * @param ina pointer to a style for inactive state
  */
 void lv_list_set_styles_btn(lv_obj_t * list, lv_style_t * rel, lv_style_t * pr,
-lv_style_t * trel, lv_style_t * tpr,
-lv_style_t * ina);
+                            lv_style_t * trel, lv_style_t * tpr,
+                            lv_style_t * ina);
 
 /**
  * Set the styles of the list element image (typically to set symbol font)
@@ -123,7 +123,7 @@ void lv_list_set_style_img(lv_obj_t * list, lv_style_t * style);
  * @param liste pointer to list element
  * @return pointer to the text
  */
-const char * lv_list_element_get_txt(lv_obj_t * liste);
+const char * lv_list_get_element_text(lv_obj_t * liste);
 
 /**
  * Get the scroll bar outside attribute
diff --git a/lv_objx/lv_ta.c b/lv_objx/lv_ta.c
index 4f32419fb..837d0f967 100644
--- a/lv_objx/lv_ta.c
+++ b/lv_objx/lv_ta.c
@@ -518,7 +518,7 @@ static bool lv_ta_scrling_design(lv_obj_t * scrling, const area_t * mask, lv_des
 		/*Draw the cursor too*/
 		lv_obj_t * ta = lv_obj_get_parent(scrling);
 		lv_ta_ext_t * ta_ext = lv_obj_get_ext(ta);
-        lv_style_t * ta_style = lv_obj_get_style(ta);
+        lv_style_t * scrl_style = lv_obj_get_style(lv_page_get_scrl(ta));
 
 		if(ta_ext->cursor_show != 0 && ta_ext->cursor_state == 0) {
 			uint16_t cur_pos = lv_ta_get_cursor_pos(ta);
@@ -529,15 +529,15 @@ static bool lv_ta_scrling_design(lv_obj_t * scrling, const area_t * mask, lv_des
 			lv_style_t * labels_p = lv_obj_get_style(ta_ext->label);
 			cur_area.x1 = letter_pos.x + ta_ext->label->cords.x1;
 			cur_area.y1 = letter_pos.y + ta_ext->label->cords.y1;
-			cur_area.x2 = letter_pos.x + ta_ext->label->cords.x1 + LV_DOWNSCALE ;
+			cur_area.x2 = letter_pos.x + ta_ext->label->cords.x1 + scrl_style->line_width ;
 			cur_area.y2 = letter_pos.y + ta_ext->label->cords.y1 + (font_get_height(labels_p->font) >> FONT_ANTIALIAS);
 
 			lv_style_t cur_rects;
 			lv_style_get(LV_STYLE_PLAIN, &cur_rects);
 			cur_rects.radius = 0;
 			cur_rects.bwidth = 0;
-            cur_rects.mcolor = ta_style->ccolor;
-            cur_rects.gcolor = ta_style->ccolor;
+            cur_rects.mcolor = scrl_style->ccolor;
+            cur_rects.gcolor = scrl_style->ccolor;
 			lv_draw_rect(&cur_area, mask, &cur_rects);
 		}
 	}
diff --git a/lv_objx/lv_win.c b/lv_objx/lv_win.c
index 02e982793..09b1e73a8 100644
--- a/lv_objx/lv_win.c
+++ b/lv_objx/lv_win.c
@@ -208,7 +208,7 @@ bool lv_win_signal(lv_obj_t * win, lv_signal_t sign, void * param)
  * @param rel_action a function pointer to call when the button is released
  * @return pointer to the created button object
  */
-lv_obj_t * lv_win_add_ctrl_btn(lv_obj_t * win, const char * img_path, lv_action_t rel_action)
+lv_obj_t * lv_win_add_cbtn(lv_obj_t * win, const char * img_path, lv_action_t rel_action)
 {
 	lv_win_ext_t * ext = lv_obj_get_ext(win);
 
@@ -235,7 +235,7 @@ lv_obj_t * lv_win_add_ctrl_btn(lv_obj_t * win, const char * img_path, lv_action_
  */
 lv_action_res_t lv_win_close_action(lv_obj_t * btn, lv_dispi_t * dispi)
 {
-	lv_obj_t * win = lv_win_get_from_ctrl_btn(btn);
+	lv_obj_t * win = lv_win_get_from_cbtn(btn);
 
 	lv_obj_del(win);
 
@@ -269,12 +269,12 @@ void lv_win_set_cbtn_size(lv_obj_t * win, cord_t size)
 }
 
 /**
- * Set the style of the window  control buttons in a given state
+ * Set the styles of the window  control buttons in a given state
  * @param win pointer to a window object
  * @param rel spointer to the style in released state
  * @param pr pointer to the style in pressed state
  */
-void lv_win_set_style_cbtn(lv_obj_t * win, lv_style_t *  rel, lv_style_t *  pr)
+void lv_win_set_styles_cbtn(lv_obj_t * win, lv_style_t *  rel, lv_style_t *  pr)
 {
     lv_win_ext_t * ext = lv_obj_get_ext(win);
     ext->style_cbtn_rel = rel;
@@ -356,7 +356,7 @@ cord_t lv_win_get_width(lv_obj_t * win)
  * @param ctrl_btn pointer to a control button of a window
  * @return pointer to the window of 'ctrl_btn'
  */
-lv_obj_t * lv_win_get_from_ctrl_btn(lv_obj_t * ctrl_btn)
+lv_obj_t * lv_win_get_from_cbtn(lv_obj_t * ctrl_btn)
 {
 	lv_obj_t * ctrl_holder = lv_obj_get_parent(ctrl_btn);
 	lv_obj_t * header = lv_obj_get_parent(ctrl_holder);
diff --git a/lv_objx/lv_win.h b/lv_objx/lv_win.h
index 710beea12..c94b97502 100644
--- a/lv_objx/lv_win.h
+++ b/lv_objx/lv_win.h
@@ -88,7 +88,7 @@ bool lv_win_signal(lv_obj_t * win, lv_signal_t sign, void * param);
  * @param rel_action a function pointer to call when the button is released
  * @return pointer to the created button object
  */
-lv_obj_t * lv_win_add_ctrl_btn(lv_obj_t * win, const char * img_path, lv_action_t rel_action);
+lv_obj_t * lv_win_add_cbtn(lv_obj_t * win, const char * img_path, lv_action_t rel_action);
 
 /**
  * A release action which can be assigned to a window control button to close it
@@ -113,12 +113,12 @@ void lv_win_set_title(lv_obj_t * win, const char * title);
 void lv_win_set_cbtn_size(lv_obj_t * win, cord_t size);
 
 /**
- * Set the style of the window  control buttons in a given state
+ * Set the styles of the window control buttons in a given state
  * @param win pointer to a window object
  * @param rel spointer to the style in released state
  * @param pr pointer to the style in pressed state
  */
-void lv_win_set_style_cbtn(lv_obj_t * win, lv_style_t *  rel, lv_style_t *  pr);
+void lv_win_set_styles_cbtn(lv_obj_t * win, lv_style_t *  rel, lv_style_t *  pr);
 
 /**
  * Get the title of a window
@@ -158,10 +158,10 @@ cord_t lv_win_get_width(lv_obj_t * win);
 /**
  * Get the pointer of a widow from one of  its control button.
  * It is useful in the action of the control buttons where only button is known.
- * @param ctrl_btn pointer to a control button of a window
- * @return pointer to the window of 'ctrl_btn'
+ * @param cbtn pointer to a control button of a window
+ * @return pointer to the window of 'cbtn'
  */
-lv_obj_t * lv_win_get_from_ctrl_btn(lv_obj_t * ctrl_btn);
+lv_obj_t * lv_win_get_from_cbtn(lv_obj_t * cbtn);
 
 /**********************
  *      MACROS
diff --git a/lvgl.h b/lvgl.h
index 5e85b1f42..4f3aead70 100644
--- a/lvgl.h
+++ b/lvgl.h
@@ -34,7 +34,7 @@
 #include "lv_objx/lv_label.h"
 #include "lv_objx/lv_line.h"
 #include "lv_objx/lv_page.h"
-#include <lvgl/lv_objx/lv_cont.h>
+#include "lv_objx/lv_cont.h"
 #include "lv_objx/lv_list.h"
 #include "lv_objx/lv_chart.h"
 #include "lv_objx/lv_cb.h"