Bol is a software which was created specifically for kids with autism.
Autistic kids are not be able to speak properly sometimes totally non verbal.
Here is a YouTube video, how computer changed helped an Autistic kid in interaction with the world.
I have tried to create something similar, Bol is available for Ipad and for android.
Screen shots for bol:
Added objects
Options for objects
New object
Add new Object
Menue
For Ipad version of it you can get it from
https://itunes.apple.com/in/app/bol/id579955668?mt=8
And android version of Bol is available over
https://github.com/unknownhad/Bol-1.1
You can download it and distribute it for free. The code is also available free to download and for modification and distribution.
Download the APK and install it over android device, I tested it for Tablet though this works ok with Phone also.
Big screen size is recommended.
I hope you would like this, Do comment your views and if you need any new feature.
Autism,Technology and Me 
nice software.