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You are downloading Mental Arithmetic Version 0.9.1 (volodymyr.kuprych.mentalarithmetictrainer) developed by Volodymyr Kuprych. File size 2.39 MB.

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Disclaimer:Mental Arithmetic is the property and trademark of its developer (Volodymyr Kuprych.). This file is original from the developer. We never did any modification to this file.

How to Install

Before installing Mental Arithmetic 0.9.1, you have to make sure that your phone has permission to install third-party apps.

1. Open your device's settings.
2. Tap "Security" in the "Personal" section.
3. Slide "Unknwon Sources" to "On".
4. Tap "OK" to confirm your changes.

After allowing Unknown Sources, you can install the APK file of Mental Arithmetic .

1. Open your "File Manager" or "File Explorer".
2. Open the directory where you saved the APK file you have downloaded. (Usually in "Downloads" folder)
3. Tap the volodymyr.kuprych.mentalarithmetictrainer.APK file.
4. Tap "Install".

We never did any modification to this file. We don't provide any unlimited gold patch or other modifications of the apps we share. To prevent piracy, we never shared paid apps. All applications here are free, legal, and original (without modification).