Cool Wallpapers is an android app that offers a wide range of handpicked wallpapers and HD pictures that are perfect for making your device look even cooler. The app features a clean design and allows you to set any picture as a wallpaper or save/share the pics with your friends through various social media platforms. Cool Wallpapers is free to download and supports a wide variety of Android devices, including Samsung Galaxy, Google Pixel, Motorola, Sony, Huawei, LG, Lenovo, Xiaomi, Oppo, HTC, and others. The app contains some ads, but they are necessary to support the development of the app.<br/><br/>Cool Backgrounds (HD Cool wallpapers) is another free app that offers a large collection of HD beautiful, nature, and cool wallpapers. The app is regularly updated with new wallpapers and allows you to stylize your device's home/lock screen and make it unique. Cool Backgrounds is easy to use and features a simple, fast, and light interface. The app supports a wide variety of Android devices and requires permissions such as SET_WALLPAPER, WRITE_EXTERNAL_STORAGE, INTERNET, and ACCESS_NETWORK_STATE.<br/><br/>Coolify is an android app that features thousands of free HD cool backgrounds, nature, and nice wallpapers for android with amazing visual effects to customize your phone. The app allows you to save beautiful wallpapers easily, set the best wallpapers as home/lock screen background with a simple click, and share the background with friends on various social media platforms. Coolify is a free app that supports a wide variety of Android devices and requires permissions such as SET_WALLPAPER, WRITE_EXTERNAL_STORAGE, INTERNET, and ACCESS_NETWORK_STATE. The app contains some ads, but they are necessary to support the development of the app.<br/><br/>In conclusion, if you are looking for a cool wallpaper app or cool backgrounds, nature images, or nature and beautiful wallpaper, then Cool Wallpapers, Cool Backgrounds, and Coolify are great options to consider. These apps offer a wide range of handpicked wallpapers and HD pictures that are perfect for making your device look even cooler. They are easy to use, free to download, and support a wide variety of Android devices.