Subway Zombies for android

You in the very near future, the surface of the whole earth possessed with an evil zombie survivors of the people there are very few and they are forced to hide in the dungeon simple subway. Yes,this story is very similar to a computer game called Metro 2033. You are one and then the surviving inhabitants of the dungeons. For the rest of your territory is constantly trying to attack gloomy zombies. Your main task is simply to defend them already all possible means, throw them all that will get you to hand, activate your armor from the red laser beams, which produce those zombie burn them with fire.