diff --git a/apps.json b/apps.json
index ebafa9c97..a32522fa2 100644
--- a/apps.json
+++ b/apps.json
@@ -5427,5 +5427,20 @@
       {"name":"puzzle15.img","url":"puzzle15.app-icon.js","evaluate":true}
     ],
     "data": [{"name":"puzzle15.json"}]
+  },
+  {
+    "id": "flipper",
+    "name": "flipper",
+    "version": "0.01",
+    "description": "Switch between dark and light theme and vice versa, combine with pattern launcher and swipe to flip."
+    "icon": "flipper.png",
+    "type": "app",
+    "tags": "game",
+    "supports": ["BANGLEJS2"],
+    "allow_emulator": true,
+    "storage": [
+      {"name":"flipper.app.js","url":"flipper.app.js"},
+      {"name":"flipper.img","url":"flipper.app-icon.js","evaluate":true}
+    ]
   }
 ]
diff --git a/apps/flipper/flipper.app.js b/apps/flipper/flipper.app.js
new file mode 100644
index 000000000..2e7d3551c
--- /dev/null
+++ b/apps/flipper/flipper.app.js
@@ -0,0 +1,39 @@
+const storage = require('Storage');
+let settings = storage.readJSON('setting.json', 1);
+
+function cl(x) { return g.setColor(x).getColor(); }
+
+function upd(th) {
+  g.theme = th;
+  settings.theme = th;
+  storage.write('setting.json', settings);
+  delete g.reset;
+  g._reset = g.reset;
+  g.reset = function(n) { return g._reset().setColor(th.fg).setBgColor(th.bg); };
+  g.clear = function(n) { if (n) g.reset(); return g.clearRect(0,0,g.getWidth(),g.getHeight()); };
+  g.clear(1);
+};
+
+function flipTheme() {
+  if (!g.theme.dark) {
+    upd({
+      fg:cl("#fff"), bg:cl("#000"),
+      fg2:cl("#0ff"), bg2:cl("#000"),
+      fgH:cl("#fff"), bgH:cl("#00f"),
+      dark:true
+    });
+  } else {
+    upd({
+      fg:cl("#000"), bg:cl("#fff"),
+      fg2:cl("#000"), bg2:cl("#cff"),
+      fgH:cl("#000"), bgH:cl("#0ff"),
+      dark:false
+    });
+  }
+}
+
+Bangle.loadWidgets();
+Bangle.drawWidgets();
+
+flipTheme();
+setTimeout(load, 20);
diff --git a/apps/flipper/flipper.icon.js b/apps/flipper/flipper.icon.js
new file mode 100644
index 000000000..16331c09e
--- /dev/null
+++ b/apps/flipper/flipper.icon.js
@@ -0,0 +1 @@
+require("heatshrink").decompress(atob("mEw4X/AAO/mMUzs975K+ggLKysUAYNVqoLFitUoAKBqtQBYkJBIQABqwLEgQLEqtABggJDqkVBaoNCBZQwEgILWgoJENYsVBIcVBYpDEgpSIBYMBKQg6CuogCBY1UgoLCXAQLDqAsDBYhSBqEJHAoLDoEBcQ4LBEwILIMooLdIg4LaVoyaGERLcFao4LIdRAACYYUQBY5RKAH4Ar"));
diff --git a/apps/flipper/flipper.png b/apps/flipper/flipper.png
new file mode 100644
index 000000000..b91543070
Binary files /dev/null and b/apps/flipper/flipper.png differ