Pixelax is a free app that has a large varities of 4K as well as Full HD wallpapers | backgrounds.
Feature:
- HD, FHD & 4K Quality Wallpapers
- Daily basis new wallpapers
- Ability to set on both homescreen and lockscreen
- Can add and choose your favorite wallpaper
- Download & Share with your friend via social media
- Many more

Note
Pixelax app that contains wallpapers used in this app are copyrighted to their respective owners and their use is included in the Fair Use guidelines. No copyright infringement is intended, and any request to remove any of the images, logos, names will be honored.