we have friends with a special needs non-verbal child and it has been a tough road for them - but they did find some help in using their ipad and one app they have used is Speech Button at the app store
Kindergarten Readiness App
It's kindergarten registration time! Use this interactive kindergarten readiness checklist, complete with fun games and activities, to practice the essential skills your child needs for this next big step. Download the Kindergarten Readiness app today!