A free program for Android, by RubyApps.
The main idea of the game is to go through all the levels and to survive. The gameplay is quite simple. You have to collect the necessary amount of energy and then use it to get through the level. On the way, you will have to deal with a variety of different obstacles.
There are several unique characters in the game. Each of them has its own unique look and abilities. Collect the necessary amount of energy to unlock them.
There are several different maps in the game. Each map has a unique theme. The gameplay is the same on all maps.