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This app was a great idea, but it was driving me nuts. It should have been a daily exercise of about 15 min/day, but I got to a level (89) where I had no chance to pass, no matter how long and how many times I tried... And then.... the programmers made a miracle so that I am now exercising again! What Im still missing r statistics and reference data.

Manuelinux about ADHD Treatment - Brain Training, v1.1.2