diff --git a/examples/lvgldemo/.gitignore b/examples/lvgldemo/.gitignore
new file mode 100644
index 000000000..7340595b5
--- /dev/null
+++ b/examples/lvgldemo/.gitignore
@@ -0,0 +1,2 @@
+/*.zip
+/lv_examples
\ No newline at end of file
diff --git a/examples/lvgldemo/Kconfig b/examples/lvgldemo/Kconfig
index 0ac756d97..2e6e2fa39 100644
--- a/examples/lvgldemo/Kconfig
+++ b/examples/lvgldemo/Kconfig
@@ -4,10 +4,10 @@
 #
 
 menuconfig EXAMPLES_LVGLDEMO
-	tristate "Littlev Graphics Library Demo"
+	tristate "LVGL Demo"
 	default n
 	---help---
-		Enable build the Littlev Graphics Library Demo programs
+		Enable build the Light and Versatile Graphics Library Demo programs
 
 if EXAMPLES_LVGLDEMO
 
@@ -18,82 +18,30 @@ config EXAMPLES_LVGLDEMO_CALIBRATE
 		Calibrate touchscreen before demo start, but some touchscreen
 		don't need it, like capacitive touchscreen.
 
+config EXAMPLES_LVGLDEMO_BUFF_SIZE
+	int "Display buffer size (in line)"
+	default 20
+
 choice
 	prompt "Select a demo application"
-	default EXAMPLES_LVGLDEMO_SIMPLE
+	default EXAMPLES_LVGLDEMO_WIDGETS
 
-config EXAMPLES_LVGLDEMO_SIMPLE
-	bool "Simple"
+config EXAMPLES_LVGLDEMO_BENCHMARK
+	bool "Benchmark"
 
-config EXAMPLES_LVGLDEMO_THEME_1
-	bool "Single Theme"
+config EXAMPLES_LVGLDEMO_PRINTER
+	bool "Printer"
 	---help---
-		Create a test screen with a lot objects and apply
-		the given theme on them
+		This demo is optimized for 800 * 480 resolution
 
-config EXAMPLES_LVGLDEMO_THEME_2
-	bool "Multiple Themes"
-	select LV_THEME_LIVE_UPDATE
-	---help---
-		Switch themes on the fly to demonstrate each different
-		themes. Configure multiple themes in the littlevgl
-		settings to use.
+config EXAMPLES_LVGLDEMO_STRESS
+	bool "Stress"
+
+config EXAMPLES_LVGLDEMO_WIDGETS
+	bool "Widgets"
 
 endchoice
 
-config EXAMPLES_LVGLDEMO_WALLPAPER
-	bool "Use wallpaper"
-	depends on EXAMPLES_LVGLDEMO_SIMPLE
-	default y
-
-config EXAMPLES_LVGLDEMO_SLIDE_SHOW
-	bool "Use slide"
-	depends on EXAMPLES_LVGLDEMO_SIMPLE
-	default n
-
-choice
-	prompt "Selected Theme"
-	depends on EXAMPLES_LVGLDEMO_THEME_1
-	default EXAMPLES_LVGLDEMO_THEME_1_DEFAULT
-
-config EXAMPLES_LVGLDEMO_THEME_1_DEFAULT
-	bool "Default Theme"
-	select USE_LV_THEME_DEFAULT
-
-config EXAMPLES_LVGLDEMO_THEME_1_ALIEN
-	bool "Alien"
-	select USE_LV_THEME_ALIEN
-
-config EXAMPLES_LVGLDEMO_THEME_1_NIGHT
-	bool "Night"
-	select USE_LV_THEME_NIGHT
-
-config EXAMPLES_LVGLDEMO_THEME_1_MONO
-	bool "Mono"
-	select USE_LV_THEME_MONO
-
-config EXAMPLES_LVGLDEMO_THEME_1_MATERIAL
-	bool "Material"
-	select USE_LV_THEME_MATERIAL
-
-config EXAMPLES_LVGLDEMO_THEME_1_ZEN
-	bool "Zen"
-	select USE_LV_THEME_ZEN
-
-config EXAMPLES_LVGLDEMO_THEME_1_NEMO
-	bool "Nemo"
-	select USE_LV_THEME_NEMO
-
-endchoice
-
-config EXAMPLES_LVGLDEMO_THEME_1_HUE
-	int "Theme hue"
-	range 0 360
-	depends on EXAMPLES_LVGLDEMO_THEME_1
-	default 30
-	---help---
-		Choose a hue color from the HSV color space
-
 config EXAMPLES_LVGLDEMO_PRIORITY
 	int "lvgl task priority"
 	default 100
diff --git a/examples/lvgldemo/Makefile b/examples/lvgldemo/Makefile
index e95a8fa25..f784d1c39 100644
--- a/examples/lvgldemo/Makefile
+++ b/examples/lvgldemo/Makefile
@@ -37,6 +37,15 @@ include $(TOPDIR)/Make.defs
 
 # LittleVGL demo built-in application info
 
+CONFIG_LV_EXAMPLES_URL	?= https://github.com/lvgl/lv_examples/archive
+
+LVGL_EXAMPLES_VERSION ?= 7.0.2
+LVGL_EXAMPLES_TARBALL = v$(LVGL_EXAMPLES_VERSION).zip
+
+WGET ?= wget
+LVGL_EXAMPLES_UNPACKNAME = lv_examples
+UNPACK ?= unzip -o
+
 PROGNAME = lvgldemo
 PRIORITY = $(CONFIG_EXAMPLES_LVGLDEMO_PRIORITY)
 STACKSIZE = $(CONFIG_EXAMPLES_LVGLDEMO_STACKSIZE)
@@ -46,11 +55,60 @@ MODULE = $(CONFIG_EXAMPLES_LVGLDEMO)
 
 CSRCS += fbdev.c tp.c tp_cal.c
 
+# static common assets used in mutiple example
+
+LV_EXAMPLE_ASSETS = $(wildcard ./lv_examples/assets/*.c)
+CSRCS += $(notdir $(LV_EXAMPLE_ASSETS))
+VPATH += lv_examples/assets
+
+ifneq ($(CONFIG_EXAMPLES_LVGLDEMO_BENCHMARK),)
+CSRCS += lv_demo_benchmark.c
+VPATH += lv_examples/src/lv_demo_benchmark
+endif
+
+ifneq ($(CONFIG_EXAMPLES_LVGLDEMO_PRINTER),)
+LV_PRINTER_IMAGES = $(wildcard ./lv_examples/src/lv_demo_printer/images/*.c)
+CSRCS += lv_demo_printer.c lv_demo_printer_theme.c
+CSRCS += $(notdir $(LV_PRINTER_IMAGES))
+VPATH += lv_examples/src/lv_demo_printer
+VPATH += lv_examples/src/lv_demo_printer/images
+endif
+
+ifneq ($(CONFIG_EXAMPLES_LVGLDEMO_STRESS),)
+CSRCS += lv_demo_stress.c
+VPATH += lv_examples/src/lv_demo_stress
+endif
+
+ifneq ($(CONFIG_EXAMPLES_LVGLDEMO_WIDGETS),)
+CSRCS += lv_demo_widgets.c
+VPATH += lv_examples/src/lv_demo_widgets
+endif
+
 MAINSRC = lvgldemo.c
 
 LVGL_SRC_DIR=$(APPDIR)/graphics/lvgl/lvgl
 LVGL_DIR=$(APPDIR)/graphics/lvgl
+
 CFLAGS   += ${shell $(INCDIR) "$(CC)" "$(LVGL_SRC_DIR)" "$(LVGL_DIR)"}
 CXXFLAGS += ${shell $(INCDIR) "$(CC)" "$(LVGL_SRC_DIR)" "$(LVGL_DIR)"}
 
+$(LVGL_EXAMPLES_TARBALL):
+	@echo "Downloading: $(LVGL_EXAMPLES_TARBALL)"
+	$(Q) $(WGET) $(CONFIG_LV_EXAMPLES_URL)/$(LVGL_EXAMPLES_TARBALL)
+
+$(LVGL_EXAMPLES_UNPACKNAME): $(LVGL_EXAMPLES_TARBALL)
+	@echo "Unpacking: $(LVGL_EXAMPLES_TARBALL) -> $(LVGL_EXAMPLES_UNPACKNAME)"
+	$(Q) $(UNPACK) $(LVGL_EXAMPLES_TARBALL)
+	$(Q) mv	lv_examples-$(LVGL_EXAMPLES_VERSION) $(LVGL_EXAMPLES_UNPACKNAME)
+	$(Q) touch $(LVGL_EXAMPLES_UNPACKNAME)
+
+context:: $(LVGL_EXAMPLES_UNPACKNAME)
+
+clean::
+	$(call DELDIR, build)
+
+distclean::
+	$(call DELDIR, $(LVGL_EXAMPLES_UNPACKNAME))
+	$(call DELFILE, $(LVGL_EXAMPLES_TARBALL))
+
 include $(APPDIR)/Application.mk
diff --git a/examples/lvgldemo/lv_ex_conf.h b/examples/lvgldemo/lv_ex_conf.h
new file mode 100644
index 000000000..4d8c606d2
--- /dev/null
+++ b/examples/lvgldemo/lv_ex_conf.h
@@ -0,0 +1,68 @@
+/****************************************************************************
+ * examples/lvgldemo/lv_ex_conf.h
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.  The
+ * ASF licenses this file to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the
+ * License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ ****************************************************************************/
+
+#ifndef __APPS_EXAMPLES_LVGLDEMO_LV_EX_CONF_H
+#define __APPS_EXAMPLES_LVGLDEMO_LV_EX_CONF_H
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+/* Enable printf-ing data in demoes and examples */
+
+#define LV_EX_PRINTF       1
+
+/* Add PC keyboard support to some examples
+ * (`lv_drivers` repository is required)
+ */
+
+#define LV_EX_KEYBOARD     0
+
+/* Add 'encoder' (mouse wheel) support to some examples
+ * (`lv_drivers` repository is required)
+ */
+
+#define LV_EX_MOUSEWHEEL   0
+
+/* Show some widget */
+
+#define LV_USE_DEMO_WIDGETS        1
+#if LV_USE_DEMO_WIDGETS
+#define LV_DEMO_WIDGETS_SLIDESHOW  0
+#endif
+
+/* Printer demo, optimized for 800x480 */
+
+#define LV_USE_DEMO_PRINTER     1
+
+/* Demonstrate the usage of encoder and keyboard */
+
+#define LV_USE_DEMO_KEYPAD_AND_ENCODER     1
+
+/* Benchmark your system */
+
+#define LV_USE_DEMO_BENCHMARK   1
+
+/* Stress test for LVGL */
+
+#define LV_USE_DEMO_STRESS      1
+
+#endif /* __APPS_EXAMPLES_LVGLDEMO_LV_EX_CONF_H */
+
diff --git a/examples/lvgldemo/lvgldemo.c b/examples/lvgldemo/lvgldemo.c
index 6b945b24d..60fe84b9e 100644
--- a/examples/lvgldemo/lvgldemo.c
+++ b/examples/lvgldemo/lvgldemo.c
@@ -73,6 +73,18 @@
 #  define NEED_BOARDINIT 1
 #endif
 
+#define DISPLAY_BUFFER_SIZE (CONFIG_LV_HOR_RES * \
+                              CONFIG_EXAMPLES_LVGLDEMO_BUFF_SIZE)
+
+/****************************************************************************
+ * Public Functions Prototypes
+ ****************************************************************************/
+
+void lv_demo_benchmark(void);
+void lv_demo_printer(void);
+void lv_demo_stress(void);
+void lv_demo_widgets(void);
+
 /****************************************************************************
  * Private Functions
  ****************************************************************************/
@@ -148,7 +160,7 @@ int main(int argc, FAR char *argv[])
   pthread_t tick_thread;
 
   lv_disp_buf_t disp_buf;
-  static lv_color_t buf[CONFIG_LV_VDB_SIZE];
+  static lv_color_t buf[DISPLAY_BUFFER_SIZE];
 
 #ifndef CONFIG_EXAMPLES_LVGLDEMO_CALIBRATE
   lv_point_t p[4];
@@ -196,7 +208,7 @@ int main(int argc, FAR char *argv[])
 
   /* Basic LittlevGL display driver initialization */
 
-  lv_disp_buf_init(&disp_buf, buf, NULL, LV_HOR_RES_MAX * 10);
+  lv_disp_buf_init(&disp_buf, buf, NULL, DISPLAY_BUFFER_SIZE);
   lv_disp_drv_init(&disp_drv);
   disp_drv.flush_cb = fbdev_flush;
   disp_drv.buffer = &disp_buf;
@@ -220,6 +232,16 @@ int main(int argc, FAR char *argv[])
   indev_drv.read_cb = tp_read;
   lv_indev_drv_register(&indev_drv);
 
+#if defined(CONFIG_EXAMPLES_LVGLDEMO_BENCHMARK)
+  lv_demo_benchmark();
+#elif defined(CONFIG_EXAMPLES_LVGLDEMO_PRINTER)
+  lv_demo_printer();
+#elif defined(CONFIG_EXAMPLES_LVGLDEMO_STRESS)
+  lv_demo_stress();
+#elif defined(CONFIG_EXAMPLES_LVGLDEMO_WIDGETS)
+  lv_demo_widgets();
+#endif
+
   /* Start TP calibration */
 
 #ifdef CONFIG_EXAMPLES_LVGLDEMO_CALIBRATE
@@ -227,7 +249,7 @@ int main(int argc, FAR char *argv[])
 #else
   tp_set_cal_values(p, p + 1, p + 2, p + 3);
 #endif
-  /* Handle LittlevGL tasks */
+  /* Handle LVGL tasks */
 
   while (1)
     {
diff --git a/examples/lvgldemo/tp_cal.c b/examples/lvgldemo/tp_cal.c
index 845965783..ed079651d 100644
--- a/examples/lvgldemo/tp_cal.c
+++ b/examples/lvgldemo/tp_cal.c
@@ -76,10 +76,11 @@ static void btn_click_action(FAR lv_obj_t *scr, lv_event_t event);
 
 static enum tp_cal_state_e state;
 static lv_point_t p[4];
-static lv_obj_t *prev_scr;
-static lv_obj_t *big_btn;
-static lv_obj_t *label_main;
-static lv_obj_t *circ_area;
+static lv_obj_t   *prev_scr;
+static lv_obj_t   *big_btn;
+static lv_obj_t   *label_main;
+static lv_obj_t   *circ_area;
+static lv_theme_t *prev_theme;
 
 /****************************************************************************
  * Public Functions
@@ -166,15 +167,10 @@ static void btn_click_action(FAR lv_obj_t *scr, lv_event_t event)
 #if LV_USE_ANIMATION
           lv_anim_init(&a);
           lv_anim_set_var(&a, circ_area);
-          lv_anim_set_exec_cb(&a, (lv_anim_exec_xcb_t)lv_obj_set_x);
-          lv_anim_set_time(&a, 500);
-          lv_anim_set_values(&a, LV_HOR_RES - CIRCLE_SIZE,
-                                 LV_HOR_RES - CIRCLE_SIZE);
-          lv_anim_set_delay(&a, 200);
-          lv_anim_start(&a);
-
           lv_anim_set_exec_cb(&a, (lv_anim_exec_xcb_t)lv_obj_set_y);
+          lv_anim_set_time(&a, 500);
           lv_anim_set_values(&a, 0, LV_VER_RES - CIRCLE_SIZE);
+          lv_anim_set_delay(&a, 200);
           lv_anim_start(&a);
 #else
           lv_obj_set_pos(circ_area,
@@ -214,11 +210,6 @@ static void btn_click_action(FAR lv_obj_t *scr, lv_event_t event)
           lv_anim_set_values(&a, LV_HOR_RES - CIRCLE_SIZE, 0);
           lv_anim_set_delay(&a, 200);
           lv_anim_start(&a);
-
-          lv_anim_set_exec_cb(&a, (lv_anim_exec_xcb_t)lv_obj_set_y);
-          lv_anim_set_values(&a, LV_VER_RES - CIRCLE_SIZE,
-                                 LV_VER_RES - CIRCLE_SIZE);
-          lv_anim_start(&a);
 #else
           lv_obj_set_pos(circ_area, 0, LV_VER_RES - CIRCLE_SIZE);
 #endif
@@ -251,6 +242,7 @@ static void btn_click_action(FAR lv_obj_t *scr, lv_event_t event)
         }
       else if (state == TP_CAL_STATE_WAIT_LEAVE)
         {
+          lv_theme_set_act(prev_theme);
           lv_scr_load(prev_scr);
           tp_set_cal_values(&p[0], &p[1], &p[2], &p[3]);
           state = TP_CAL_STATE_READY;
@@ -291,6 +283,17 @@ void tp_cal_create(void)
 
   prev_scr = lv_scr_act();
 
+  lv_theme_t *theme = LV_THEME_DEFAULT_INIT(LV_THEME_DEFAULT_COLOR_PRIMARY,
+                        LV_THEME_DEFAULT_COLOR_SECONDARY,
+                        LV_THEME_DEFAULT_FLAG,
+                        LV_THEME_DEFAULT_FONT_SMALL,
+                        LV_THEME_DEFAULT_FONT_NORMAL,
+                        LV_THEME_DEFAULT_FONT_SUBTITLE,
+                        LV_THEME_DEFAULT_FONT_TITLE);
+
+  prev_theme = lv_theme_get_act();
+  lv_theme_set_act(theme);
+
   lv_obj_t *scr = lv_obj_create(NULL, NULL);
   lv_obj_set_size(scr, TP_MAX_VALUE, TP_MAX_VALUE);
   lv_scr_load(scr);