You can turn your favorite images into pixel art and set them as your smartphone wallpaper. When you open the settings screen, a list of files that can be set as wallpaper from among the images stored on your smartphone will be displayed. Activate debug mode to see the process of creating a color palette to be used for pixel art.

(To set up a Live Wallpaper you need to do as follows)
1. Tap and hold on an empty place on the home screen.
2. Select Wallpaper and Live Wallpaper from the opened window.