Now the cellphone becomes a sketch pad... sort of

HAVE you ever found yourself stuck on a train, with nothing but a cellphone for company and no wireless connection? A new tool being tested this week in Japan could help ease your boredom, by letting you create art using nothing but the buttons on your phone’s keypad.

While you can draw pictures with your fingers on an iPhone’s touch screen using one of the available applications, the majority of the world’s population use conventional cellphones. So Ivan Poupyrev of Sony…