It has to be noticed that 30,000+ users downloaded Attack Helicopter latest version on 9Apps for free every week! This app was totally funny. This hot app was released on 2017-04-18. Be sure that you check your current app before you start a run.
Shoot down enemy helicopters with machine gun and destroy enemy tanks with bombs. Try to keep the phone level and flat when doing the tilt to get the best results. Also, the tilt control's sensitivity can be adjusted by pressing the menu button.
Update: Modified tilt control to make it more smooth.