GIF Animation Wallpaper-7 is an Android application developed by Style-7 that allows you to set a GIF or video file as your live wallpaper. The app supports most standard video file formats, including 3gp, mkv, mp4, ts, and webm.

With GIF Animation Wallpaper-7, you can select a GIF file and set the frame rate from 1 to 20 frames per second. You can also choose to stretch the image, fit it to the center, or use its source size. Additionally, the app allows you to decrease the speed of the animation by half and select a background color.

The app also offers various features for video wallpapers, including the ability to set the sound volume from mute to 100%, stretch or scale the video to fit the screen, and double-tap to stop and play the video.

Overall, GIF Animation Wallpaper-7 is a great utility and tools application that offers a unique and fun way to customize your Android device's wallpaper with GIFs and videos.