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 Locust Communications:
Apache3D Mission is a true 3D rendering game. Player is flying an apache helicopter, shooting enemy helicopters and tanks using its missiles. The lower rightbutton is missile aiming controller. The lower left button is the missile firing button. Player move controller aiming the target into center grid and fire missile to shoot down enemy helicopters or tanks. Enemy helicopters and tanks are moving faster as game level goes up. Higher game level you get high score for shooting higher level enemy helicopters and tanks.