diff --git a/extmod/modtrezorui/modtrezorui-unix.h b/extmod/modtrezorui/modtrezorui-unix.h
index 3667054e..1b9b514e 100644
--- a/extmod/modtrezorui/modtrezorui-unix.h
+++ b/extmod/modtrezorui/modtrezorui-unix.h
@@ -91,6 +91,7 @@ static void display_init(void)
         SDL_DestroyWindow(win);
         SDL_Quit();
     }
+    SDL_SetRenderDrawColor(RENDERER, 255, 0, 0, 255);
     SDL_RenderClear(RENDERER);
     SCREEN = SDL_CreateRGBSurface(0, RESX, RESY, 16, 0xF800, 0x07E0, 0x001F, 0x0000);
     TEXTURE = SDL_CreateTexture(RENDERER, SDL_PIXELFORMAT_RGB565, SDL_TEXTUREACCESS_STREAMING, RESX, RESY);
diff --git a/src/apps/playground_stick/fingerprint.toig b/src/apps/playground_stick/fingerprint.toig
new file mode 100644
index 00000000..4ab4a0b5
Binary files /dev/null and b/src/apps/playground_stick/fingerprint.toig differ
diff --git a/src/apps/playground_stick/layout_homescreen.py b/src/apps/playground_stick/layout_homescreen.py
index a39175a1..94390185 100644
--- a/src/apps/playground_stick/layout_homescreen.py
+++ b/src/apps/playground_stick/layout_homescreen.py
@@ -1,16 +1,20 @@
 from trezor import ui
 from trezor import loop
 
+f = open('apps/playground_stick/fingerprint.toig', 'rb')
+c = ui.rgbcolor(0x20, 0x98, 0xD1)
 
 def layout_homescreen():
 
-    # ui.display.bar(0, 0, 240, 240, ui.WHITE)
-
-    f = open('apps/playground_stick/trezor.toig', 'r')
+    ui.display.bar(0, 0, 240, 48 * 4, ui.BLACK)
+    ui.display.bar(0, 48 * 4, 240, 48, c)
+    ui.text_center(120, 240 - 18, 'Hold to confirm', 2, ui.WHITE, c)
+    p = 0
 
     def func(foreground):
         f.seek(0)
-        ui.display.icon(0, 0, f.read(), foreground, ui.BLACK)
+        ui.display.loader(p, c, 0, f.read(), foreground)
+        p = (p + 10) % 1000
 
     animation = ui.animate_pulse(func, ui.WHITE, ui.GREY, speed=400000)
 
diff --git a/src/apps/playground_stick/trezor.toig b/src/apps/playground_stick/trezor.toig
deleted file mode 100644
index 8ab461e3..00000000
Binary files a/src/apps/playground_stick/trezor.toig and /dev/null differ
diff --git a/src/trezor/ui.py b/src/trezor/ui.py
index 2a2aeed9..8f5e7867 100644
--- a/src/trezor/ui.py
+++ b/src/trezor/ui.py
@@ -36,6 +36,16 @@ MONO   = const(0)
 NORMAL = const(1)
 BOLD   = const(2)
 
+def text(x: int, y: int, text: bytes, font: int, fgcolor: int, bgcolor: int) -> None:
+    display.text(x, y, text, font, fgcolor, bgcolor)
+
+def text_right(x: int, y: int, text: bytes, font: int, fgcolor: int, bgcolor: int) -> None:
+    w = display.text_width(text, font)
+    display.text(x - w, y, text, font, fgcolor, bgcolor)
+
+def text_center(x: int, y: int, text: bytes, font: int, fgcolor: int, bgcolor: int) -> None:
+    w = display.text_width(text, font)
+    display.text(x - w // 2, y, text, font, fgcolor, bgcolor)
 
 def lerpi(a: int, b: int, t: float) -> int:
     return int(a + t * (b - a))
diff --git a/vendor/trezor-crypto b/vendor/trezor-crypto
index b8ec5567..242a5de2 160000
--- a/vendor/trezor-crypto
+++ b/vendor/trezor-crypto
@@ -1 +1 @@
-Subproject commit b8ec5567ba701c77379f2111774456eb18b98790
+Subproject commit 242a5de275d36e2df6792c921a9cd7d8c8e8933b