Earth Shield Version: 1.0 System Requirements: Android 2.3+, OpenGL 2.0+ Defend the Earth from aliens using the latest Super-Gun. ★ Do not let the aliens destroy all of your towns! ★ Improve your weapons and construction crews! ★ Protect your colony on the Moon and Mars! ★ Compete with your friends and get all achievements! Prove that you are worthy to defend your home! Download: https://play.google.com/store/apps/details?id=com.romanzi.cannonwar