1.Add no poster mode.
2.Add introduction about the game mode for the fitst time.
3.revise setup fuction
Zombie fighting is an entertainment application with AR（Augmented Reality） function, it combines the elements of running and shooting, real-time positioning, a real sense of avoiding obstacles and multi-angle shooting to make you feel you are really fighting with zombie as you move your body. This is a very cool game, that also helps with fitness and brain training, let us fight!
