The description of WOW Pixel 4D Wallpapers:
WOW, Pixel 4D Wallpapers is an app that provides an enormous amount of wallpapers and backgrounds sorted by categories.
You can set wallpaper in just one click. No need to open a gallery and find images
You can easily download images in your phone gallery.
Also, there is a possibility to choose between 4K as well as the Full HD version of Image to save on your phone.
Choose your size and crop it, there are wallpapers for phones and for tablets.