Christmas Wallpapers 4K is an Android application developed by EasyApp Wallpapers, designed to provide high-quality Christmas wallpapers and screen locks for free. With this app, users can enjoy lovely and festive wallpapers of Christmas trees, Santa Claus, Christmas whistles, and more. The app also offers the ability to share these wallpapers with friends or save them in the gallery.

The app adapts to the latest phone models, such as Samsung s9 and Huawei, with unusual screens at "2960 xQuad HD +)" resolution. The wallpaper is detected and adapted to maximize its quality on the phone. The app has a frequently updated wallpaper base with Christmas trees and Christmas backgrounds, manually moderated. Users can find wallpapers from Christmas Eve dinner in the most popular resolutions, and backgrounds with Santa Claus, compatible with 16:9, 18.5:9 screens.

The app features a wallpaper matching system for a fold-out telephone, an intuitive menu, and an easy-to-use interface. Users can set their favorite wallpaper with just one click, and the app does the rest. The app is compatible with phones from brands such as Motorola and Samsung. With just one touch, users can have holidays on their mobile phone or tablet screen, with their favorite Christmas wallpaper.