Galaxy Wallpaper Apps Collect High - Quality Wallpaper to Personalize your Devices with Quality and High - Resolution Pictures we have a large Collection of HD Wallpaper such as astronaut wallpaper and nebula wallpaper lets your device look unique and elegant. "Galaxy Wallpaper" can be quickly and easily customized to your liking. Use home screen widget to access wallpaper settings straight from your home screen. Settings screen is translucent, so you can make changes and see them take effect