Several drawing features are also implemented like setting of stroke/background color, save/load picture, special effects etc.
There is also a kids mode which will change color and size at each stroke.
Note: Multi touch is only available in Eclair release (2.0 or more).
Current devices compatible are Motorola Droid/milestone and the Nexus One. Both of theses devices can only handle 2 simultaneous touch.
2.1: send by mail feature (coming this we)
2.0: big ui and features rework
Link to the market