iBowl is one of the most popular games ever released for the iPhone and iPod touch, and has been installed by millions of people! iBowl lets you practice by yourself or compete in bowling games over the internet with up to eight people around the world. Using the iBowl ‘Challenge” menu, you can invite your friends to play or face off against opponents over the Internet.
Features
- Accelerometer based bowling control – just swing your device!
- Tenpin bowling physics – curve your ball into the head pins for the best results like in real bowling.
- 3 cool lanes to play on.
- Compete online in 2, 3, or 4 person multiplayer games.
- Join a bowling tournament against 7 other people online!`
- Challenge your friends by starting a lobby, or go up against long distance opponents over the network or Wi-Fi.
- Find your friends with Facebook Connect and start a challenge match with a push of a button!
- Check your high score against our national leaderboard!
- Earn trophies by playing on- and off-line.
- Brag about your achievements to your friends by sending them a challenge email from our trophy screen.

Source: http://itunes.apple.com/us/app/ibowl/id292182654?mt=8