diff --git a/firmware/application/apps/ui_standalone_view.cpp b/firmware/application/apps/ui_standalone_view.cpp
index ed67317cb..47740e0a9 100644
--- a/firmware/application/apps/ui_standalone_view.cpp
+++ b/firmware/application/apps/ui_standalone_view.cpp
@@ -233,6 +233,9 @@ standalone_application_api_t api = {
     .draw_pixels = &ext_draw_pixels,
     .draw_pixel = &ext_draw_pixel,
     .exit_app = &exit_app,
+    // version 4
+    .screen_height = &screen_height,
+    .screen_width = &screen_width,
 };
 
 StandaloneView::StandaloneView(NavigationView& nav, uint8_t* app_image)
diff --git a/firmware/common/standalone_app.hpp b/firmware/common/standalone_app.hpp
index d11c575b8..f2c34c19d 100644
--- a/firmware/common/standalone_app.hpp
+++ b/firmware/common/standalone_app.hpp
@@ -29,7 +29,7 @@
 #include "ui.hpp"
 #include "file.hpp"
 
-#define CURRENT_STANDALONE_APPLICATION_API_VERSION 3
+#define CURRENT_STANDALONE_APPLICATION_API_VERSION 4
 
 struct standalone_application_api_t {
     // Version 1
@@ -105,6 +105,11 @@ struct standalone_application_api_t {
     void (*draw_pixels)(const ui::Rect r, const ui::Color* const colors, const size_t count);
     void (*draw_pixel)(const ui::Point p, const ui::Color color);
     void (*exit_app)();
+
+    // Version 4
+    uint16_t* screen_height;
+    uint16_t* screen_width;
+
     // TODO: add baseband access functions
 
     // HOW TO extend this interface:
diff --git a/firmware/standalone/digitalrain/ui/bmp.hpp b/firmware/standalone/common/ui/bmp.hpp
similarity index 100%
rename from firmware/standalone/digitalrain/ui/bmp.hpp
rename to firmware/standalone/common/ui/bmp.hpp
diff --git a/firmware/standalone/digitalrain/ui/bmpfile.cpp b/firmware/standalone/common/ui/bmpfile.cpp
similarity index 100%
rename from firmware/standalone/digitalrain/ui/bmpfile.cpp
rename to firmware/standalone/common/ui/bmpfile.cpp
diff --git a/firmware/standalone/digitalrain/ui/bmpfile.hpp b/firmware/standalone/common/ui/bmpfile.hpp
similarity index 100%
rename from firmware/standalone/digitalrain/ui/bmpfile.hpp
rename to firmware/standalone/common/ui/bmpfile.hpp
diff --git a/firmware/standalone/digitalrain/ui/circular_buffer.hpp b/firmware/standalone/common/ui/circular_buffer.hpp
similarity index 100%
rename from firmware/standalone/digitalrain/ui/circular_buffer.hpp
rename to firmware/standalone/common/ui/circular_buffer.hpp
diff --git a/firmware/standalone/digitalrain/ui/complex.hpp b/firmware/standalone/common/ui/complex.hpp
similarity index 100%
rename from firmware/standalone/digitalrain/ui/complex.hpp
rename to firmware/standalone/common/ui/complex.hpp
diff --git a/firmware/standalone/digitalrain/ui/file.cpp b/firmware/standalone/common/ui/file.cpp
similarity index 100%
rename from firmware/standalone/digitalrain/ui/file.cpp
rename to firmware/standalone/common/ui/file.cpp
diff --git a/firmware/standalone/digitalrain/ui/file.hpp b/firmware/standalone/common/ui/file.hpp
similarity index 100%
rename from firmware/standalone/digitalrain/ui/file.hpp
rename to firmware/standalone/common/ui/file.hpp
diff --git a/firmware/standalone/digitalrain/ui/file_path.cpp b/firmware/standalone/common/ui/file_path.cpp
similarity index 100%
rename from firmware/standalone/digitalrain/ui/file_path.cpp
rename to firmware/standalone/common/ui/file_path.cpp
diff --git a/firmware/standalone/digitalrain/ui/file_path.hpp b/firmware/standalone/common/ui/file_path.hpp
similarity index 100%
rename from firmware/standalone/digitalrain/ui/file_path.hpp
rename to firmware/standalone/common/ui/file_path.hpp
diff --git a/firmware/standalone/digitalrain/ui/file_reader.cpp b/firmware/standalone/common/ui/file_reader.cpp
similarity index 100%
rename from firmware/standalone/digitalrain/ui/file_reader.cpp
rename to firmware/standalone/common/ui/file_reader.cpp
diff --git a/firmware/standalone/digitalrain/ui/file_reader.hpp b/firmware/standalone/common/ui/file_reader.hpp
similarity index 100%
rename from firmware/standalone/digitalrain/ui/file_reader.hpp
rename to firmware/standalone/common/ui/file_reader.hpp
diff --git a/firmware/standalone/digitalrain/ui/file_wrapper.hpp b/firmware/standalone/common/ui/file_wrapper.hpp
similarity index 100%
rename from firmware/standalone/digitalrain/ui/file_wrapper.hpp
rename to firmware/standalone/common/ui/file_wrapper.hpp
diff --git a/firmware/standalone/digitalrain/ui/mathdef.hpp b/firmware/standalone/common/ui/mathdef.hpp
similarity index 100%
rename from firmware/standalone/digitalrain/ui/mathdef.hpp
rename to firmware/standalone/common/ui/mathdef.hpp
diff --git a/firmware/standalone/digitalrain/ui/optional.hpp b/firmware/standalone/common/ui/optional.hpp
similarity index 100%
rename from firmware/standalone/digitalrain/ui/optional.hpp
rename to firmware/standalone/common/ui/optional.hpp
diff --git a/firmware/standalone/digitalrain/ui/result.hpp b/firmware/standalone/common/ui/result.hpp
similarity index 100%
rename from firmware/standalone/digitalrain/ui/result.hpp
rename to firmware/standalone/common/ui/result.hpp
diff --git a/firmware/standalone/digitalrain/ui/sine_table.hpp b/firmware/standalone/common/ui/sine_table.hpp
similarity index 100%
rename from firmware/standalone/digitalrain/ui/sine_table.hpp
rename to firmware/standalone/common/ui/sine_table.hpp
diff --git a/firmware/standalone/digitalrain/ui/standalone_application.hpp b/firmware/standalone/common/ui/standalone_application.hpp
similarity index 100%
rename from firmware/standalone/digitalrain/ui/standalone_application.hpp
rename to firmware/standalone/common/ui/standalone_application.hpp
diff --git a/firmware/standalone/digitalrain/ui/string_format.cpp b/firmware/standalone/common/ui/string_format.cpp
similarity index 100%
rename from firmware/standalone/digitalrain/ui/string_format.cpp
rename to firmware/standalone/common/ui/string_format.cpp
diff --git a/firmware/standalone/digitalrain/ui/string_format.hpp b/firmware/standalone/common/ui/string_format.hpp
similarity index 100%
rename from firmware/standalone/digitalrain/ui/string_format.hpp
rename to firmware/standalone/common/ui/string_format.hpp
diff --git a/firmware/standalone/digitalrain/ui/theme.cpp b/firmware/standalone/common/ui/theme.cpp
similarity index 100%
rename from firmware/standalone/digitalrain/ui/theme.cpp
rename to firmware/standalone/common/ui/theme.cpp
diff --git a/firmware/standalone/digitalrain/ui/theme.hpp b/firmware/standalone/common/ui/theme.hpp
similarity index 100%
rename from firmware/standalone/digitalrain/ui/theme.hpp
rename to firmware/standalone/common/ui/theme.hpp
diff --git a/firmware/standalone/digitalrain/ui/ui.cpp b/firmware/standalone/common/ui/ui.cpp
similarity index 100%
rename from firmware/standalone/digitalrain/ui/ui.cpp
rename to firmware/standalone/common/ui/ui.cpp
diff --git a/firmware/standalone/digitalrain/ui/ui.hpp b/firmware/standalone/common/ui/ui.hpp
similarity index 100%
rename from firmware/standalone/digitalrain/ui/ui.hpp
rename to firmware/standalone/common/ui/ui.hpp
diff --git a/firmware/standalone/digitalrain/ui/ui_focus.cpp b/firmware/standalone/common/ui/ui_focus.cpp
similarity index 100%
rename from firmware/standalone/digitalrain/ui/ui_focus.cpp
rename to firmware/standalone/common/ui/ui_focus.cpp
diff --git a/firmware/standalone/digitalrain/ui/ui_focus.hpp b/firmware/standalone/common/ui/ui_focus.hpp
similarity index 100%
rename from firmware/standalone/digitalrain/ui/ui_focus.hpp
rename to firmware/standalone/common/ui/ui_focus.hpp
diff --git a/firmware/standalone/digitalrain/ui/ui_font_fixed_5x8.cpp b/firmware/standalone/common/ui/ui_font_fixed_5x8.cpp
similarity index 100%
rename from firmware/standalone/digitalrain/ui/ui_font_fixed_5x8.cpp
rename to firmware/standalone/common/ui/ui_font_fixed_5x8.cpp
diff --git a/firmware/standalone/digitalrain/ui/ui_font_fixed_5x8.hpp b/firmware/standalone/common/ui/ui_font_fixed_5x8.hpp
similarity index 100%
rename from firmware/standalone/digitalrain/ui/ui_font_fixed_5x8.hpp
rename to firmware/standalone/common/ui/ui_font_fixed_5x8.hpp
diff --git a/firmware/standalone/digitalrain/ui/ui_font_fixed_8x16.cpp b/firmware/standalone/common/ui/ui_font_fixed_8x16.cpp
similarity index 100%
rename from firmware/standalone/digitalrain/ui/ui_font_fixed_8x16.cpp
rename to firmware/standalone/common/ui/ui_font_fixed_8x16.cpp
diff --git a/firmware/standalone/digitalrain/ui/ui_font_fixed_8x16.hpp b/firmware/standalone/common/ui/ui_font_fixed_8x16.hpp
similarity index 100%
rename from firmware/standalone/digitalrain/ui/ui_font_fixed_8x16.hpp
rename to firmware/standalone/common/ui/ui_font_fixed_8x16.hpp
diff --git a/firmware/standalone/digitalrain/ui/ui_geomap.cpp b/firmware/standalone/common/ui/ui_geomap.cpp
similarity index 100%
rename from firmware/standalone/digitalrain/ui/ui_geomap.cpp
rename to firmware/standalone/common/ui/ui_geomap.cpp
diff --git a/firmware/standalone/digitalrain/ui/ui_geomap.hpp b/firmware/standalone/common/ui/ui_geomap.hpp
similarity index 100%
rename from firmware/standalone/digitalrain/ui/ui_geomap.hpp
rename to firmware/standalone/common/ui/ui_geomap.hpp
diff --git a/firmware/standalone/digitalrain/ui/ui_painter.cpp b/firmware/standalone/common/ui/ui_painter.cpp
similarity index 100%
rename from firmware/standalone/digitalrain/ui/ui_painter.cpp
rename to firmware/standalone/common/ui/ui_painter.cpp
diff --git a/firmware/standalone/digitalrain/ui/ui_painter.hpp b/firmware/standalone/common/ui/ui_painter.hpp
similarity index 100%
rename from firmware/standalone/digitalrain/ui/ui_painter.hpp
rename to firmware/standalone/common/ui/ui_painter.hpp
diff --git a/firmware/standalone/digitalrain/ui/ui_text.cpp b/firmware/standalone/common/ui/ui_text.cpp
similarity index 100%
rename from firmware/standalone/digitalrain/ui/ui_text.cpp
rename to firmware/standalone/common/ui/ui_text.cpp
diff --git a/firmware/standalone/digitalrain/ui/ui_text.hpp b/firmware/standalone/common/ui/ui_text.hpp
similarity index 100%
rename from firmware/standalone/digitalrain/ui/ui_text.hpp
rename to firmware/standalone/common/ui/ui_text.hpp
diff --git a/firmware/standalone/digitalrain/ui/ui_widget.cpp b/firmware/standalone/common/ui/ui_widget.cpp
similarity index 100%
rename from firmware/standalone/digitalrain/ui/ui_widget.cpp
rename to firmware/standalone/common/ui/ui_widget.cpp
diff --git a/firmware/standalone/digitalrain/ui/ui_widget.hpp b/firmware/standalone/common/ui/ui_widget.hpp
similarity index 100%
rename from firmware/standalone/digitalrain/ui/ui_widget.hpp
rename to firmware/standalone/common/ui/ui_widget.hpp
diff --git a/firmware/standalone/digitalrain/ui/utility.cpp b/firmware/standalone/common/ui/utility.cpp
similarity index 100%
rename from firmware/standalone/digitalrain/ui/utility.cpp
rename to firmware/standalone/common/ui/utility.cpp
diff --git a/firmware/standalone/digitalrain/ui/utility.hpp b/firmware/standalone/common/ui/utility.hpp
similarity index 100%
rename from firmware/standalone/digitalrain/ui/utility.hpp
rename to firmware/standalone/common/ui/utility.hpp
diff --git a/firmware/standalone/digitalrain/CMakeLists.txt b/firmware/standalone/digitalrain/CMakeLists.txt
index b332cd3de..57d48a1e5 100644
--- a/firmware/standalone/digitalrain/CMakeLists.txt
+++ b/firmware/standalone/digitalrain/CMakeLists.txt
@@ -86,15 +86,17 @@ set(LDSCRIPT ${CMAKE_CURRENT_SOURCE_DIR}/external.ld)
 # C sources that can be compiled in ARM or THUMB mode depending on the global
 # setting.
 FILE(GLOB_RECURSE Sources_C ${CMAKE_CURRENT_LIST_DIR}/*.c)
+FILE(GLOB_RECURSE Sources_C_COMMON ${CMAKE_CURRENT_LIST_DIR}/../common/*.c)
 set(CSRC
-	${Sources_C}
+	${Sources_C} ${Sources_C_COMMON}
 )
 
 # C++ sources that can be compiled in ARM or THUMB mode depending on the global
 # setting.
 FILE(GLOB_RECURSE Sources_CPP ${CMAKE_CURRENT_LIST_DIR}/*.cpp)
+FILE(GLOB_RECURSE Sources_CPP_COMMON ${CMAKE_CURRENT_LIST_DIR}/../common/*.cpp)
 set(CPPSRC
-	${Sources_CPP}
+	${Sources_CPP} ${Sources_CPP_COMMON}
 )
 
 # C sources to be compiled in ARM mode regardless of the global setting.
@@ -122,6 +124,8 @@ set(ASMSRC)
 
 set(INCDIR
 	${CMAKE_CURRENT_SOURCE_DIR}
+	${CMAKE_CURRENT_SOURCE_DIR}/../common
+	${CMAKE_CURRENT_SOURCE_DIR}/../common/ui
 	${COMMON}
 	${COMMON}/../application
 	${COMMON}/../application/hw
diff --git a/firmware/standalone/digitalrain/digitalrain.cpp b/firmware/standalone/digitalrain/digitalrain.cpp
index fc91e9850..dd1864cd0 100644
--- a/firmware/standalone/digitalrain/digitalrain.cpp
+++ b/firmware/standalone/digitalrain/digitalrain.cpp
@@ -31,7 +31,9 @@ void initialize(const standalone_application_api_t& api) {
     _api = &api;
 
     context = new ui::Context();
-    standaloneViewMirror = new StandaloneViewMirror(*context, {0, 16, 240, 304});
+    screen_height = *(_api->screen_height);
+    screen_width = *(_api->screen_width);
+    standaloneViewMirror = new StandaloneViewMirror(*context, {0, 16, screen_width, screen_height - 16});
 }
 
 // event 1 == frame sync. called each 1/60th of second, so 6 = 100ms
@@ -78,7 +80,7 @@ ui::Widget* captured_widget{nullptr};
 void OnTouchEvent(int, int, uint32_t) {
     if (standaloneViewMirror) {
         _api->exit_app();
-        /*
+        /* //left here for example, but not used in digital rain
         ui::TouchEvent event{{x, y}, static_cast<ui::TouchEvent::Type>(type)};
 
         if (event.type == ui::TouchEvent::Type::Start) {
@@ -105,7 +107,8 @@ bool OnKeyEvent(uint8_t) {
     // ui::KeyEvent key = (ui::KeyEvent)key_val;
     if (context) {
         _api->exit_app();
-        /* auto focus_widget = context->focus_manager().focus_widget();
+        /* left here for example, but not used in digital rain
+        auto focus_widget = context->focus_manager().focus_widget();
 
          if (focus_widget) {
              if (focus_widget->on_key(key))
@@ -130,6 +133,7 @@ bool OnEncoder(int32_t) {
     if (context) {
         _api->exit_app();
         /*
+        left here for example, but not used in digital rain
         auto focus_widget = context->focus_manager().focus_widget();
 
         if (focus_widget) return focus_widget->on_encoder((ui::EncoderEvent)delta);
@@ -143,6 +147,7 @@ bool OnKeyboad(uint8_t) {
     if (context) {
         _api->exit_app();
         /*
+        left here for example, but not used in digital rain
         auto focus_widget = context->focus_manager().focus_widget();
 
         if (focus_widget)
diff --git a/firmware/standalone/digitalrain/digitalrain.hpp b/firmware/standalone/digitalrain/digitalrain.hpp
index 7c5a45bd5..434ba05e1 100644
--- a/firmware/standalone/digitalrain/digitalrain.hpp
+++ b/firmware/standalone/digitalrain/digitalrain.hpp
@@ -45,17 +45,19 @@ bool OnKeyboad(uint8_t);
 void PaintViewMirror();
 
 extern const standalone_application_api_t* _api;
+extern uint16_t screen_height;
+extern uint16_t screen_width;
 
 class DigitalRain {
    private:
     ui::Painter painter{};
-    static const int WIDTH = 240;
-    static const int HEIGHT = 325;
-    static const int MARGIN_TOP = 20;
-    static const int CHAR_WIDTH = 5;
-    static const int CHAR_HEIGHT = 8;
-    static const int COLS = WIDTH / CHAR_WIDTH;
-    static const int ROWS = (HEIGHT - MARGIN_TOP) / CHAR_HEIGHT;
+    int WIDTH = 0;   // 240;
+    int HEIGHT = 0;  // 325;
+    int MARGIN_TOP = 20;
+    int CHAR_WIDTH = 5;
+    int CHAR_HEIGHT = 8;
+    int COLS = 0;  // WIDTH / CHAR_WIDTH;
+    int ROWS = 0;  //(HEIGHT - MARGIN_TOP) / CHAR_HEIGHT;
     static const int MAX_DROPS = 36;
 
     const ui::Font& font = ui::font::fixed_5x8();
@@ -124,7 +126,10 @@ class DigitalRain {
    public:
     DigitalRain() {
         std::srand(0);
-
+        WIDTH = screen_width;
+        HEIGHT = screen_height + 5;
+        COLS = WIDTH / CHAR_WIDTH;
+        ROWS = (HEIGHT - MARGIN_TOP) / CHAR_HEIGHT;
         for (uint8_t i = 0; i < MAX_DROPS; ++i) {
             init_drop(i, true);
         }
diff --git a/firmware/standalone/digitalrain/main.cpp b/firmware/standalone/digitalrain/main.cpp
index 78772fc31..88c89b9c9 100644
--- a/firmware/standalone/digitalrain/main.cpp
+++ b/firmware/standalone/digitalrain/main.cpp
@@ -176,3 +176,6 @@ extern "C" int f_printf(FIL* fp, const TCHAR* str, ...) {
 extern "C" TCHAR* f_gets(TCHAR* buff, int len, FIL* fp) {
     return _api->f_gets(buff, len, fp);
 }
+
+uint16_t screen_height = 320;
+uint16_t screen_width = 240;