1

Tap Settings at the bottom and select General.
2

Select Theme.
[Setting List Background]
3-1

Select List Background.
3-2

Select the color you want.
3-3

The color of list background of nPlayer will change.
[Setting icon color]
4-1

Select an Icon and color you want in the same way.
4-2

The icon color will change.
[Initialization]

Select Default in the upper right corner and the color will change into the default one of nPlayer when it was initially installed.