3D Merry Christmas Theme is a free personalization app developed by 3D Theme HD Live Wallpaper. It is a warm festival theme with wallpapers of the most high-definition classy warm colors and nifty crystal ball icons. The app offers a variety of delightful Christmas themes and wallpapers, including the joyous Santa Claus with his reindeer running in the sky and exquisite snowflakes floating around the red Christmas house. The app also features incredible 3D animation effects that can be seen when swiping the screen or using the 3D clock widget and Christmas tree weather widget. With its elegant and simple 3D screen navigation, the app is compatible with 99% of phone devices and has a battery save function. Note that the app is only available for phones with their launcher installed.