Fly your Helicopter through a narrow cave without crashing. See how far you can travel!

Controls are simple. Just tap and hold to fly up to avoid crashing into the ground, but be careful not to fly too high or you will crash into the Cave ceiling. In this thrilling arcade game try to not crash for as long as possible, and try to go through as many rings as possible.

Collect gems by getting a great streak of going through rings. Use those gems to unlock skins and trails, then customize your copter and give it a personal touch.

Simple controls: just tap and hold to fly up, and release finger to go down.

Make sure that third-party apps are allowed on your device: go to Menu->Settings->Security-> and check "Unknown Sources"

Tap the APK file. Allow the app any required permissions it asks for. Then, at the bottom of the installer window, click INSTALL.

You'll see a confirmation the app is installed. Now you'll see the app available in your list of installed apps.