diff --git a/assets/gears.png b/assets/gears.png
new file mode 100644
index 0000000000..3e2561f48e
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diff --git a/assets/gears2.png b/assets/gears2.png
new file mode 100644
index 0000000000..0145caaca0
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diff --git a/assets/gears3.png b/assets/gears3.png
new file mode 100644
index 0000000000..64171af911
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diff --git a/src/apps/playground_chren/layout_loading.py b/src/apps/playground_chren/layout_loading.py
new file mode 100644
index 0000000000..d43685d2e0
--- /dev/null
+++ b/src/apps/playground_chren/layout_loading.py
@@ -0,0 +1,16 @@
+from trezor import ui
+from trezor import loop
+from trezor import res
+
+def layout_loading():
+    
+    ui.display.text_center(120, 240 - 18, 'Processing ...', ui.BOLD, ui.WHITE, ui.BLACK)
+    p = 0
+
+    def func(foreground):
+        ui.display.loader(p, ui.YELLOW, 0, res.load('apps/playground_chren/res/gears3.toig'), ui.WHITE)
+        p = (p + 10) % 1000
+
+    animation = ui.animate_pulse(func, ui.WHITE, ui.GREY, speed=400000)
+
+    yield from animation
diff --git a/src/apps/playground_chren/res/gears3.toig b/src/apps/playground_chren/res/gears3.toig
new file mode 100644
index 0000000000..a291cea9b0
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