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 Roger Bruder:
NOW ON SALE GET IT WHILE ITS HOTNow, everybody can play the guitar, with Guitar Neck for iPhone!Guitar Neck for iPhone offers you the easiest way to play a whole 22 fret guitar neck right on your iPhone. Every single note is recorded absolutly clear and sounds just perfect!With Guitar Neck for iPhone you can practice everywhere to find the right notes on the fretboard. Play to your iPod Library, or play free on the go. Youll never miss the guitar anymore!Easly change the fretboard position or even the color of the fretboard as you like. Enjoy the brandnew guitar on your iPhone get it now!