Add internal functions
A light-hearted battle race in the sky!
Defeat your rivals and take first place!
First, move your fingers up, down, left, and right to control your ship.
No other controls are required.
If you can move it freely, try to enter the ring first.
Your ship will accelerate!
Next, try to get the treasure chest.
Various items will be used automatically when you take the treasure chest!
If you have more time, try to get some coins!
You can change the appearance of your ship to a variety of designs!
