S-Air Ship

S-Air Ship: This is a simple game.
Players will practice agility and speed judgment when playing.
Game Goal: Control and keep the air ship to avoid the rockets to pick score points

Feature:
There are two features that control the movement speed of an air ship:
FAST: Move air ship with fast speed
SLOW: Move air ship at a slow speed.
Every rocket avoids the air ship will get a bonus of 1 point.
The game ends when Rocket hits the air ship.