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 Xiao Yao:
Welcome to The Beat Matrix, a pocket-sized audio-visual party machine! Create an unlimited number of beats!========== User Interface ==========* Tap the grid to toggle cells on and off* Slide your finger across the screen to activate and deactivate multiple cells* Two-finger single tap to play and pause the beat* Two-finger double tap to show the menu* Shake your device to clear the grid========== Functionality ==========* Customize your beat by selecting a background, animation, theme and sound* Categorize your beat library by artist, tags and groups* Import beats made by others* Export beats to others