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 Brandon Abbott:
Get the Party Started with Pocket Disco!Load up your favorite music track, turn on Pocket Disco and get groovy.Pocket Disco is a high res fully interactive spinning disco ball for your iPad. Perfect for any party! With Pocket Disco you'll always have a party in your pocket!Features:- Options to adjust disco ball spin speed- High res graphics provide for a realistic experience- Play music from your own mp3 library- Shake to Play or Pause track without having to exit Pocket Disco- Touch disco ball to stop spinning and pause music (allows for a quick way to pause the party to make an announcement)- Display in both portrait and landscape modesHave an iPhone 4? Check out Pocket Disco for the iPhone for a true disco experience with real flashing disco lights using the iPhone 4 flash!Want more? Check out the Extras tab for all available in-app purchases including options to remove ads and add the disco ball color pack!