• Free Black Sad Wallpaper App with lots of cool HD & 4K backgrounds. For boys in depression or girls with broken hearts, you will find Sad and Depression wallpapers here. Choose yours from colorful, black, or dark wallpapers touching your heart and soul. Adults and teens, after a breakup or love, download the app to ease your feeling and get your phone a sad quotes theme. • Set background image instantly for your mobile smart phone. There are 1000+ high quality Sad backgrounds and black pictu