A company called Joypad has released a self-title free app for the iPhone that turns it into a Wi-Fi, ad-hoc or Bluetooth synced controller for some popular retro-style games, including Super Mega Worm, Vertex Blaster and others. The app offers multi-button presses, five controller layouts (with support for additional ones), accelerometer and multi-player support as well as options for retro gaming. Joypad supports select iOS as well as Mac or Windows games.
