diff --git a/badge/apps/fireplace/README.md b/badge/apps/fireplace/README.md
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+# 🔥 Fireplace
+
+A cosy animated fireplace app for the GitHub Universe 2025 badge. The speed can be adjusted to the user's preference.
+
+<img src="assets/fireplace_badge.jpg" width="30%">
+
+This app was inspired by the fireplace from [Lenny's Podcast](https://www.lennysnewsletter.com/podcast) quietly running in the background.
+
+<img src="assets/lenny_fireplace.jpg">
+
+## Controls
+
+| Button | Action |
+|--------|--------|
+| **↑ UP** | Speed up (−50ms per press, min 50ms/frame) |
+| **↓ DOWN** | Slow down (+50ms per press, max 1000ms/frame) |
+| **A / B / C** | Reset to default speed |
+| **HOME** | Return to menu |
+
+The current frame duration is displayed briefly at the bottom of the screen whenever the speed is changed.
+
+## Installation
+
+Copy the `fireplace/` folder to `/system/apps/fireplace/` on your badge (put it into disk mode first by double-pressing RESET while connected via USB-C).
+
+```
+fireplace/
+├── __init__.py       # App code
+├── icon.png          # Menu icon (24x24)
+├── assets/           # Source images
+│   ├── fireplace.gif         # Original source GIF
+│   ├── fireplace_badge.jpg   # Badge photo
+│   └── lenny_fireplace.jpg   # Lenny photo
+└── frames/           # Extracted PNG frames (frame_0000.png … frame_0019.png)
+```
+
+## Running in the Simulator
+
+```bash
+python simulator/badge_simulator.py badge/apps/fireplace -C badge --scale 4
+```
+
+## Animation Details
+
+- **Source**: [Tenor GIF](https://tenor.com/en-CA/view/seninle-a%C5%9Fkom-yalanmo%C5%9F-gif-27389050)
+- **Frames**: 20 PNGs at 160×120 pixels
+- **Default speed**: 100ms per frame (10 fps)
diff --git a/badge/apps/fireplace/__init__.py b/badge/apps/fireplace/__init__.py
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+import sys
+import os
+
+sys.path.insert(0, "/system/apps/fireplace")
+os.chdir("/system/apps/fireplace")
+
+from badgeware import screen, io, run, brushes, PixelFont, shapes
+
+FRAME_COUNT       = 20
+DEFAULT_DURATION  = 100   # ms per frame
+MIN_DURATION      = 50
+MAX_DURATION      = 1000
+SPEED_STEP        = 50
+LABEL_TIMEOUT     = 1500  # ms to show the label after a speed change
+
+_current_frame    = 0
+_last_tick        = None
+_frame_duration   = DEFAULT_DURATION
+_label_until      = 0     # ticks timestamp until which to show the label
+_needs_redraw     = True  # reload frame when it advances or label expires
+
+_font             = None
+_label_brush      = None
+_bg_brush         = None
+
+
+def init():
+    global _font, _label_brush, _bg_brush
+    _font        = PixelFont.load("/system/assets/fonts/nope.ppf")
+    screen.font  = _font
+    _label_brush = brushes.color(255, 255, 255, 200)
+    _bg_brush    = brushes.color(0, 0, 0, 150)
+
+
+def update():
+    global _current_frame, _last_tick, _frame_duration, _label_until, _needs_redraw
+
+    if _last_tick is None:
+        _last_tick = io.ticks
+
+    # Speed up
+    if io.BUTTON_UP in io.pressed:
+        _frame_duration = max(MIN_DURATION, _frame_duration - SPEED_STEP)
+        _label_until = io.ticks + LABEL_TIMEOUT
+
+    # Slow down
+    if io.BUTTON_DOWN in io.pressed:
+        _frame_duration = min(MAX_DURATION, _frame_duration + SPEED_STEP)
+        _label_until = io.ticks + LABEL_TIMEOUT
+
+    # Any of A, B, C resets to default
+    if io.BUTTON_A in io.pressed or io.BUTTON_B in io.pressed or io.BUTTON_C in io.pressed:
+        _frame_duration = DEFAULT_DURATION
+        _label_until = io.ticks + LABEL_TIMEOUT
+
+    # Advance frame
+    if io.ticks - _last_tick >= _frame_duration:
+        _current_frame = (_current_frame + 1) % FRAME_COUNT
+        _last_tick = io.ticks
+        _needs_redraw = True
+
+    showing_label = io.ticks < _label_until
+
+    # Only reload the PNG when the frame changed or the label just cleared
+    if _needs_redraw:
+        screen.load_into(f"frames/frame_{_current_frame:04d}.png")
+        _needs_redraw = showing_label  # stay dirty while label is visible
+
+    # Show speed label if recently changed
+    if showing_label:
+        label = f"{_frame_duration}ms/frame"
+        w, h = screen.measure_text(label)
+        pad = 4
+        x = (screen.width - w) // 2
+        y = screen.height - h - pad * 2
+        screen.brush = _bg_brush
+        screen.draw(shapes.rectangle(x - pad, y - pad, w + pad * 2, h + pad * 2))
+        screen.brush = _label_brush
+        screen.text(label, x, y)
+
+
+if __name__ == "__main__":
+    run(update, init=init)
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