Overcome stages of a mathematical marathon and improve capacities of the verbal account.
This is free game with advertising. You can remove the advertising for a small fee; this fee will help support the developer and his cat.
* Modify/delete contents of SD card - to access the profile file
* Unrestricted access to the Internet - for advertising
* Read phone status and identify – for a unique serial number that is used for querying the advertisements
Google Play: https://play.google.com/store/apps/d....mathmarathonf