Perfect touch screen operation, high-definition picture of the shooting game\nThe update added a bluetooth line mode, regardless of any place to invite your friends to play together!\nOut Zone is one of the most popular video games in American arcade history!. It had ever set off a wave of vertical shooting games and was a famous game which was well-known by the players all around the world. Now the new android HD version debut, the perfect touch-screen operation, high-definition picture of the game, the game will give you extraordinary experience.