Palette Wallpaper is a free Android app that offers thousands of cool wallpapers in various categories. You can find black and dark backgrounds, anime, silhouette, rainy and rain backgrounds, amoled, and vintage wallpapers.

One of the best things about Palette Wallpaper is its ease of use. You can easily set any wallpaper on your device on the screen of your choice. You can select home screen or lock screen, and the app detects the screen size of your device to automatically adapt wallpapers. Additionally, the app is compatible with almost all phones.

You can also share the backgrounds with your friends on social media, and the wallpaper that you have applied will automatically be saved in the gallery. The interface is simple and easy to use, and the app has good performance. Overall, Palette Wallpaper is a great app for anyone who loves to customize their phone's wallpaper.