There is a very interesting paper from the Indiana Resource Center for Autism titled “The Use of Technology in Treatment of Autism Spectrum Disorders”
At the end of the paper it links a set of websites to find apps for kids with special needs:
Some websites for looking for apps include:
Smart apps for Special Needs
www.smartappsforspecialneeds.com/
Apps and Autism
http://ipodsibilities.com/iPodsibilities/AppsAndAutism.html
Apps for Children with Special Needs
http:/a4cwsn.com
Autism Apps
https://autismapps.wikispaces.com
Mobile Learning 4 Special Needs
https://mobilelearning4specialneeds.wikispaces.com