Trajectory points will appear from the ball when you touch the screen.
Drag it, release the touch, then shoot it.
Allotted time is 2 minutes and 30 seconds.
Throw balls as much as possible, get over the prescribed number of goal.
Score a goal without touching the ring, called Clean Goal, the ring become huge!
It is a chance to mass production of the goal.
Now, shoot it!
Fixed minor bugs
