空中特工队 Airforce Spy is a free-to-play 3D shooting game developed by SayGames Ltd for iPhone users. In this game, you play as a special agent who jumps on a helicopter and embarks on a dangerous mission to eliminate criminals. The game offers a helicopter simulator experience that lets you lock and load your machine gun, aim and shoot at the enemies occupying buildings.

The game's graphics and sound effects are impressive, making the gameplay more immersive and thrilling. The controls are easy to handle, making it accessible for both beginners and experienced gamers. In addition, the game offers an unlimited amount of ammunition, so you can keep firing at the enemies without worrying about running out of bullets.

Overall, 空中特工队 Airforce Spy is an exciting game that provides players with an intense and action-packed shooting experience. If you're a fan of shooting games, this game is definitely worth checking out.