What is the ruling on pixel art on a phone, but without printing it?

Pixel art is a branch of digital art that relies on precise drawing using raster graphics software. It is permissible to use this art if permissible images are drawn with it, and forbidden things are avoided. As for images of animate beings, there is no harm in them if they are drawn on a phone and not printed on a fixed object, or if they are drawn incomplete in a way that life cannot be sustained within them.