Late-night calzone haunt D.P. Dough has a new way for customers to earn some dough, the calzone kind.The Columbus-based company has released a video game app, Calzone Run, for mobile phones. The game consists of players driving through a town (either in Colorado or Ohio) and delivering and picking up calzones. Obstacles include rolling kegs, falling rocks, bicyclists, pedestrians, potholes and in the Colorado version, a large blue horse that shoots lasers out of its eyes. [...]