A quiet update to Atari's Greatest Hits app has revealed early details of just the second retro arcade gaming stick for the iPad to arrive in earnest. The Atari Arcade Duo Powered stick, which gets support in the update, recreates the analog buttons and feel similar to the iCade but exchanges some of its vintage feel for more flexibility. Instead of recreating a cabinet, it represents a simpler joystick and dock combo that lets players more freely swap out the iPad and isn't as focused on the original iPad design.