Random Wallpaper & Lockscreen

这是一个免费的墙纸生成器，提供了超过150万张图片

This is a free and downloadable wallpaper & lockscreen generator (random pictures, random background) with more than 1.5 million pictures.

Those pictures are so beautiful that you all should install this app as soon as possible to pick one picture as your wallpaper.

Generate wallpaper：Generate a new wallpaper.

Set wallpaper：Set wallpaper and lockscreen.

Save wallpaper：Save wallpaper as a picture to download directory.