Save the earth from fire Android Game

The description of Save the earth from fire: With fire space rings you can be one. As a galactic savior your mission is to protect the fire core from the red enemy balls that shrink the planets core and get hold of the protective blue and green balls. Use the noncontinuous ring shield around the core to protect it from enemy balls.The objective of this fun game is to keep moving the ring shield around the core to prevent the enemy balls to touch the core and shrink it. Rotate the shield in such a way that only helpful blue and green balls are absorbed and attacking balls hit the shield and vanish. The game is over when the core diminishes in size completely .How to play: when the red crazy balls come in contact with the core they degrade the core the dark blue balls when absorbed by core form a protective layer which does not let the red balls degrade the core for a certain time period the green balls when absorbed by core increases the size of core by some fraction..