AMOLED Wallpapers 4K - Black & Dark Background AMOLED Wallpapers app contains QHD premium quality wallpapers and dark material backgrounds for your smartphone or tablet. All these black backgrounds have been tastefully selected so you can personalize your device and show off your style. FEATURES : - Automatic wallpaper changer with different functions - Amazing collection of dark amoled wallpapers with high resolution - 2500+ 4K BLACK AMOLED backgrounds - Search wallpaper by name - 15+ Catego