The ball will raise when you touch it.
And bounces off at the left and right edges of the screen.
To further touch, the ball will go to more high place.
To further touch, the ball will go out of the screen.
Height of the ball is the score.
Look at the display of ball height, when the ball hasdisappearedfrom the screen.
Let’s touch the ball so as not to drop it.
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