4K Wallpapers, Auto Changer application for all Android phones automatically changes the wallpaper on your Home screen and Lock screen after a pre-defined time duration. You can select up to 30 images of your choice and set the time duration to auto change wallpapers on your device. There are thousands of High Quality 4K wallpapers & backgrounds to choose from. We are sure you won't be disappointed by this simple to use automatic wallpaper changer app. 🌟 Set Timer, Auto Change wallpapers - Y