Wallgram is a huge collection of free HD wallpapers for any Android device. Our collection has over 50,000 high-quality pictures that you can download and install on your home screen or lock screen for free. The Wallgram app will detect your phone model and resolution in order to show only suitable wallpapers for your phone. Thanks to this approach, you do not need to crop images to fit your screen, we have already done everything for you! High-quality wallpapers – HD, 4k, 8k! 😍 Our main principle is quality! We exclusively publish wallpapers in perfect quality, so that you can enjoy only the best wallpapers on your device. No squares and fuzzy images, you can enjoy every pixel of pictures! Wallpapers on the lock screen In our collections, we have collected 4k backgrounds of the highest quality. Find the ones you like the most and set your lock screen. With the automatic wallpaper changer, don't limit yourself to just one picture on your lock screen. Automatic wallpaper change With Wallgram, you can set up an automatic wallpaper changer on your phone in an easy and simple way. The application can automatically change the wallpaper on the home screen, lock screen, or both screens at once. Just specify the desired time interval and select the category from which you want to set the wallpaper. All wallpapers are sorted into more than 40 categories: Abstraction, Dark, Cars, Animals, Anime, Nature, Textures, Girls, Minimalism, Music, Movies, Cartoons, Mountains, Space, Summer, Winter, Autumn, Spring, Art, Aviation, Cities, Motorcycles, Multicolored, New Year's, Flowers, Graphics and more...