A ball is out by position sensor and with the movement of appropriate background sound via unsecured paths through space. Unfortunately, the ball is not satisfactorily controlled with this game, because (m) one tablet does not respond properly to the required tilting movements. In this game you control over very quickly, because even the slightest tilt movements follow relatively large, hardly assessable deviations of the ball track.
The competitive game "Chromasphere" (there is here in the App Store) is not only visually better classes. It is, unlike Magic Marble, easy and quite precise to control. Even the free version will receive long-term gaming fun;)).
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2 stars = I do not like