AMOLED Wallpaper: 3D Themes is a free personalization app developed by Coralsky for Android users. The app offers a wide range of 3D, live, 4K, and dual wallpapers to make your mobile screen attractive and unique.

The 3D wallpapers in the app are designed to give a real 3D depth effect, which is controlled by the mobile's motion sensors. This is a new approach to 3D wallpapers and adds a new level of depth to your mobile screen. Additionally, the app offers a variety of live wallpapers with video effects that can be easily set as your mobile wallpaper/background. You can also get free movable 4K wallpapers that move as your mobile moves.

One of the unique features of the app is its dual wallpapers, which make your mobile lock and unlock screen attractive. The app offers many beautiful combinations of double wallpapers that you can choose from.

Overall, AMOLED Wallpaper: 3D Themes is a great app for those who want to customize their mobile screen with stunning 3D, live, 4K, and dual wallpapers. It's easy to use and offers a wide variety of options to choose from.