Here's an article from Nature that may be relevant.

http://www.nature.com/news/2010/100420/full/4641111a.html

I would have a healthy dose of skepticism.
It sounds like a good piece of marketing, and maybe some legitimate tutoring. I'm sure that tutoring a non-reading 5th grader can help reading skills. But to claim to fix ADHD and dyslexia? Sounds like the brain-training programs' claims, too.