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 TourBuddy Systems:
Free for a VERY LIMITED TIME! Are you ready for the BEST Miley game yet? Of course you are, you are a HUGE FAN!Miley Cyrus Madness offers you round after round of great questions ranging from the facts every fan should know to the secret stuff only the experts will be able to answer!Play over and over and get a new combination of questions each time...but don't scratch your head for too long or you'll run out of time! Compare your score will other your friends and even brag about your scores and the app on Twitter and email...All without even leaving the app!Don't miss out, download the app TODAY!