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Everyone
5+
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About this app

The mobile phone becomes a limitation, and the user solves a simple math problem to solve the limitation, and develops the ability to do mental arithmetic quickly and solve the problem.
Updated on
Aug 29, 2021

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
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No data collected
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Content rating
Everyone
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About the developer
유광무
vnycall74@naver.com
South Korea
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