The download button opens the iTunes App Store, where you
may continue the download process. You must have iTunes installed with an
active iTunes account in order to download and install the software. This
download may not be available in some countries.
From J Sultana:
Take the challenge in wildest racing 3D game since man invented the wheel! .Race your stone age vehicle as fast as you can to be able to keep up with your rivals and win this awesome StoneAge Rally.