Animated Wallpaper Star Guardian is a fusion of a screensaver and wallpaper. Similar to regular wallpaper, it functions as a desktop background that only appears when your workspace is vacant, with no program windows obstructing it from view. You can take advantage of it to rejuvenate your outdated PC desktop with these innovative live wallpapers. Feel free to use them.Video .mp4 Live Wallpaper. Animated wallpaper is a cross between a screensaver and desktop wallpaper. Like a normal wallpaper, an animated wallpaper serves as the background on your desktop, which is visible to you only when your workspace is empty, i.e. no program windows block it from view.