Features OtoN : One to Nine
OtoN : One To Nine is a game of simple calculation with fastidious rules which bring a real challenge to the puzzle game !
Learn, revise or manipulate the operations with One To Nine, where your logic will be tested severely !
PS: the secret of OtoN is not in the calculations but in the logic.
Enjoy !
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24/7 Support
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Personalization
Customize the app to match your preferences and workflow.
Screenshots
See the OtoN : One to Nine in Action
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Download on Google Play
Available for Android 8.0 and above