The ball can come from any direction, with any color, you have to ensure that the color matches with the ball in the center. The colors don't match? No worries, Swipe them in the direction away from the ball.
Look out for the time above in the time bar also, the right collision will add up the time.
Look out for multi color ball, swipe in to get extra points and extra time.
Swipe in the stars to test your fate, either they will make the main ball smaller, and things will get easier or the star will make the main ball bigger.
Do you accept the challenge?