Press and hold the screen to draw a circle, the map will rotate, and the black ball will scroll with the direction of rotation. Pay attention to avoiding fireballs and sawtooth. Use the switch device to control the changes of the map elements. Use the pause device to stop the black ball from moving and rotate the map, effectively avoid obstacles, and finally reach the finish line to win the game. Slowing down the rhythm may be able to find the skills to pass the clearance. Using the Winner mode, you can barrier-free clearance and let you uncover the secrets of customs clearance. Are you ready? Start downloading!