Its good but still with bugs please fix them

First this is really nice and you will see results on your day life. Example I memorize faster and more words after done this by a year and also algebra improvements. This haves effect on you after a while practicing. Buy it it worths.

Bugs:
1- I could give the 20$ dollars I spent to a children in Africa have lunch during 15 days but I bought the app for my Mac and know what I why dont you developers remember to sync the progress done in the iPhone to the Mac??!

2- doesnt play music simply buggy

3- should get more competitive and compare trophies with other people in the world and play some exercises against someone in order to motivate more....

4- Please fix all this especially number one and I will be happy without regrets of had spent my 20$!!!

Thanks very much!!

António Gomes about Einstein™ Brain Training