4k Wallpaper is a beautiful and easy-to-use app. It selects a large number of beautiful and 4k & HD wallpapers (600+) and adapts to the full screen.
「MAIN FEATURES」
● No Ads
● Many beautiful and HD & 4K wallpapers
● Drag local image to set up desktop wallpaper
● Launch on system startup
● Auto change the wallpaper(minute, day, year)
● Auto collect the used wallpapers
● Simple and easy-to-use
「CONTACT US」
If you have any suggestion or feedback, please contact us, EMAIL: [email protected]
Bug fixes and performance improvements
RAR Extractor Max - Unzip Pro 
RAR Extractor Pro - Unzip File 
Image Optimizer Pro - Compress 