App Name: Gamer Beacon
Developer: Nexicon Software Ltd.
App Market: Download Page
Gamer Beacon lets you alerts your friends through SMS that it’s time to play multiplayer online games. It was built for gamers, by gamers.
When you want to play Starcraft II or Gears of War you simply fire up Gamer Beacon and tap the “Game On” button and your friends will be notified by SMS that you want to play.