By Mikhail Akopov
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It is a simple game that develops skills of quickly perform arithmetic operations in mind.
- USD 0.99
- Category: Games
- Released: 11 June 2012
- Version: 1.0
- Size: 6.0 MB
- Languages: English, German, Russian, Spanish
- Developer: Mikhail Akopov
- © Mikhail Wacumov
Compatibility: Requires iOS 3.2 or later. Compatible with iPhone, iPad, and iPod touch.