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 Lean Medicine LLC:
Fly your fighting jets over the ruins of the city. Defend the country! Aim and fire with state of the art machine guns. Collect more coins to get more characters. Easy control of jet fighter planes Shoot with ease Fly over towering skyscrapers in jet speed