Math Brain Train

This app is based on a published brain-training study.

A recent study published in the Journal of Experimental Child Psychology has found that training your inborn intuition for numbers can make you better at arithmetic.
http://www.sciencedirect.com/science/article/pii/S0022096516000497

There is a short description of this study and a video associated with it at the link below:
http://www.eurekalert.org/pub_releases/2016-06/jhu-asn061516.php

The activity in this app is basically looking at two sets of dots side-by-side and guessing which side has more dots, without counting the dots. This app has different levels of difficulty. And it uses game sounds to prompt you in your practice.

I suggest that you watch the study video at the link below to understand the principle of this study and how this app works:
https://www.youtube.com/watch?v=LFR3J9KQsNo