abacus: score keeping

What is it about?

abacus is a great tool to keep track of your game scores! use abacus to easily add and subtract all users' scores after each round. sort users in a variety of ways to keep track of who's in the lead! at the end of the game, save your scorecard to your camera roll to easily share with others! there is no limit at all to your score keeping when you use abacus.