Video Live Wallpaper Changer is an Android app developed by Dev Viet. It is a free personalization app that allows you to create an album of unlimited videos from your phone's internal storage to automatically change video backgrounds. The app supports many video formats such as mp4, mov, mkv, 3gp.

You can select a folder containing videos in your phone's internal memory, and the app will automatically scan the videos and set them as video wallpaper. The app also features double or triple tapping on the home screen to perform actions such as turning on/off the sound, switching to the next video wallpaper, or moving to the next album. The app automatically switches to the next video wallpaper when the current video wallpaper finishes playing and can choose a random video in the album when changing the next video wallpaper.

With its powerful wallpaper changer scheduler, you can set the wallpaper to change automatically after x seconds, minutes, hours, or days. You can also create a schedule to change the wallpaper at a specific time according to the date and time, and you can set the schedule to repeat by day of the week or day of the year. The app is optimized to change the video wallpaper without draining your device's battery.