It is a handy blackboard -style drawing app . You can draw a picture , such as those written in chalk , I can draw very easily picture , such as those put out by the eraser . Picture which I drew so you can save it as a PNG image, and use it as a memo a blackboard -style ! Also messages that unusual if attached to an e-mail ! Because the image read , you can Email to a friend graffiti Sha-mail . There is also (α version ) image viewing and posting function to the drawing -sharing site Let's enj