G+_Rajat Vaghani Posted January 15, 2016 Share Posted January 15, 2016 ? XDA-Developers ? "Simple Math Puzzles Turned Engrossingly Fun" ? Talk Android ? "What is even more impressive is the game features no ads and no permissions. I don’t see any reasons not to give this one a shot." ? Listed on Product Hunt ? You think you know how to add? Try out Sum - https://play.google.com/store/apps/details?id=cybersky.sum Link to comment Share on other sites More sharing options...
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