Share 'Mega-Phone: Play video games on a jumbotron!'

Coming to an amusement park or supermarket near you, Jury Hahn developed Mega-Phone, a multiplayer cell phone game where people can battle on a big-screen billboard. Just dial up a phone number and avatars representing the caller pop up on the screen. Control the avatar using a keypad or by speaking/shouting into the phone. Love her next up: Letting callers add beat or images to a DJ's mix! F…