Wallpaper setting 1.0.1

for oppo A37

It is a simple wallpaper settings app.

You can easily and intuitively set the wallpaper.

Features :

- Set the wallpaper easily.

- Adjusted for the wallpaper to the screen size.

- Set the background color of the margin.

- Get the background color from the wallpaper image.

- Specify a background color by RGB.