4K Wallpapers (4K Backgrounds) - Live Wallpapers | Auto Wallpaper Changer is a free app that has a large verities of 4K (UHD | Ultra HD) as well as Full HD (High Definition) wallpapers | backgrounds. We add new Unique as well as Top Quality 4K Wallpapers | Full HD Wallpapers everyday! This app is a great tool for 4K Backgrounds | Full HD Backgrounds and it is a Wallpaper Store for user where they can experience best handpicked backgrounds and creative wallpapers. App is designed for Android phone & tablet, so app works on any screen sizes or screen resolutions. Note: Live Wallpaper is a inbuilt service in Android System which is used for changing Backgrounds Automatically.Features of 4k and ultra HD wallpapers & Live Wallpapers Changer app: Live Wallpapers | Auto Wallpaper Changer:- This features changes Mobile Desktop Background Automatically. User can choose time frequency to change Wallpapers Automatically. Simple, Fast and light:- We focuses on simplicity of the app, which gives great performance. It is battery efficient. Setting background as Wallpaper:- You can set wallpaper in just one click. Favorites:- All favorited backgrounds are placed under one roof which make it easy to view. Share & Set As:- You can easily share ultra hd backgrounds or everyday wallpapers with anyone with just one click. Set wallpapers to your desktop as well with one click. Save:- You can choose between 4K as well as Full HD version of Image to save in your phone. Collection:- It has more than 10000+ UHD wallpapers and best backgroundsSave battery and resources:- The application displays only adapted to the size of your screen backgrounds and Wallpapers. This allows you to conserve battery power and Internet traffic, and use the app at maximum speed without losing image quality.Categories:- We provide enormous amount of wallpapers and backgrounds sorted across 22+ categories which includes:- Abstract, Animals, Anime, Celebrities, Fantasy, Aircrafts, Airplanes, Bokeh, Video Games, Cars and Motorcycle, Nature, Space, Galaxy, Architecture, City, Minimalist, Watercrafts, Ship, Music, Macro, Hi-Tech, Ocean, Sea, Flowers, Material Design, Food, Drinks, Photography, Superheroes Wallpapers | BackgroundsDisclaimer:All the wallpapers in this app are under common creative license and the credit goes to their respective owners. These images are not endorsed by any of the prospective owners, and the images are used simply for aesthetic purposes. No copyright infringement is intended, and any request to remove one of the images/logos/names will be honored.