The "Download Now" link directs you to the iTunes App Store, where you must continue the download process. You must have iTunes installed in order to open the link, and you must have an active iTunes account to download the application. This download may not be available in some countries.
From Evolve Networks:
Bouncing balls. Fraying nerves. Game on!This is a version of the classic Pong arcade game with a tennis background. Play against the computer or another friend over bluetooth. Choose from different computer levels and different ball speeds. Tap the cogwheel to access the Settings view.To play in the Multiplayer version with another iPod Touch / iPhone you have to activate bluetooth on both devices. The connection between the two devices is established from the Settings screen.When using it in the Multiplayer mode the device who initiates the connection will play with the yellow racket. The second device will play with the red racket. The game can be started only by the device playing with the yellow racket.Check out the application webpage for information about controls and all the other features.