價格：免費
檔案大小：47.7 MB
版本需求：需要 iOS 8.0 或以上版本。與 iPhone、iPad 及 iPod touch 相容。
支援語言：英語
There are two bars and a ball that falls by gravity.
you have to bounce the ball so that it stays between the 2 bars and does not touch them.
at each press of the display corresponds a rebound of the ball and a descent of the upper bar and an increase in the score.
支援平台：iPhone, iPad