JetBoy Game os Android

The app is designed for Android mobile devices and after launching it displays a classic game in which the task is to destroy - shoot, as many asteroids that threaten the planet Earth.
Instructions for use:
After opening the application, click on the START button.
Use the central button to control the firing.
When hit, the asteroid will explode.
The aim of the game is to destroy at least 50 asteroids and thus save the planet Earth.