Christmas Wallpaper is a free live wallpaper application created by FGoodGames. As the name suggests, this app is designed to bring a festive touch to your Android device with its physics snowflakes, flying Santa dropping gifts, and switchable lights on houses and trees.

The app is easy to use - simply long-click on the background, select "Wallpapers," and choose "Live Wallpapers" from the menu. However, it's worth noting that this app may not be compatible with some Android devices, including Magic, Hero, Eris, Moment, MyTouch, Legend, Acclaim, Aria, WildFire, Intercept, and a few others.

Overall, Christmas Wallpaper is a fun and festive addition to your Android device during the holiday season.