WallChanger Pro (nikao.wallchanger.pro) on Google Play
This is the pro version of WallChanger.Simple and fast app to change your wallpaper automatically, no persistent service and less battery usage.IMPORTANT: Please exclude this app from your task killers.General features:- Enable/Disable the app- Set your wallpaper folder- 1-tap to change wallpaper manually- Enable/Disable auto-change- Set the interval of auto-changePro version features:- Support subfolders- Change the wallpaper after boot- Change the wallpaper when screen is unlocked- Change the wallpaper when power is connected- Use a shortcut to change wallpaper manually- Save the current wallpaper to your folder