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 rod Hammond:
iCan Collapse Free - A must have on the App Store! iCan Collapse Free is a hot new game to hit the App Store and is absolute must have because of its insanely fun game-play and its overall fun. In iCan Collapse Free, you try to knock down a tower of cans by removing cans from the bottom of the tower. You get to only remove 3 cans and if you topple the tower after removing less than 3 cans, you will get 20 bonus points. See how many levels you can beat and how high of a sore you can get! Can you beat your friends? iCan Collapse Free will be a must pull out whether you are at the bus stop, on a coffee break, or on a long trip! Entertainment for hours! iCan Collapse Free is a must have and is on sale for a limited time 50% OFF! GET IT BEFORE THE SALE IS OVER! Features included in iCan Collapse Free - Extremely fun Gameplay! - High Quality Graphics - Lots of Fun - Many Levels - Entertainment for Hours! iCan Collapse is one of my favorite games. I always recommend it to my friends! - Brad ALSO CHECK OUT THE FULL VERSION OF iCAN COLLAPSE WHILE IT IS ON SALE 50% OFF!The Full Version Includes -- No Advertisements- More Levels- Faster Gameplay- All Around More Fun!