The display is the canvas and your finger becomes a paint brush.
Use the Menu to change color or brush styles and also to print or share your artwork via Email etc.
See what creative users have painted with ARTIST on Android, take a look: http://www.flickr.com/groups/artistonandroid/pool/
Be an Artist on Android and print some of your best creations. Using HP Advanced Photo Paper has produced stunning results, worth framing.
I am totally amazed by what users have drawn with this app.
Well, check it out for yourself and take a look at http://www.flickr.com/groups/artistonandroid/pool/