Dyslexia Adventure Game for Kids

I'm looking for an engaging game designed to help children aged 5-13 with dyslexia. The game should be accessible on both app and web browser platforms. -we have a blue print already developed. (Budget: $5000 - $10000 USD, Jobs: App Development, Game Art, Game Design, Game Development, Game Testing, Graphic Design, iPhone, Mobile App Development, User Experience Research, Web Development)