This is a live wallpaper.

No ads! Falling maple and birch leaves in orange and yellow autumn colors. Touch to emit new leaves. Change direction of leaves, customize colors, physics etc. You can also use the "sky" background combined with real time mode, and gps to determine sunrise and sunset for your location. The wallpaper will show the sky, sun, moon etc according to your local time.

Free version is ad-free, fully functional but most customization settings are locked.