Below are a couple of Phone apps that are designed for People with non-verbal communication and for blind/visually impaired people.
JABtalk is a free speech communication application designed to help non-verbal children and adults communicate. Speech therapists commonly refer to JABtalk as an easy and effective augmentative and alternative communication (AAC) device. By Combining personalised voice and images with an extremely simple user interface, JABtalk delivers a speech solution that is both fun to use and easy to learn. Available to download for Free from Google Play.
Georgie, a smartphone software application designed for blind people, by blind people includes apps to help navigate day-to-day obstacles. These include catching a bus, reading printed text or working out exactly where you are in unfamiliar areas. A number of different apps are coming soon but currently available is GeorgiePhone, a replacement home app for the blind and visually-impaired. GeorgiePhone is available free on Android from Google Play.