If you organize your tournaments with Poker Manager.
Poker Manager Remote lets you connect as an Administrator and control the tournament running under Poker Manager on your Mac or iPad. Works through WiFi or Bluetooth. Rebuy, Add-On or Eliminate any player. Resume/Pause the tournament and navigate through its rounds, launch the timer. It's just as easy to use as the Remote app for iTunes you know and love.
If you are a player of a Poker Manager tournament, you can use Poker Manager Remote to connect as a "Player" and grab the tournament infos on your iPhone/iPod Touch/iPad through Bluetooth or WiFi.
Requires Poker Manager 3.7.1 for Mac or 2.0.2 for iPad