In Insert Coin, we look at an exciting new tech project that requires funding before it can hit production. If you'd like to pitch a project, please send us a tip with "Insert Coin" as the subject line. With its GameDock, Cascadia Games has a new twist on iOS arcade play -- it lets you use your TV and two classic controllers. While retro games are popular on iPhones right now, an intense session can go haywire if your digits slip around on
