For your friend who is handicapped it looks like http://www.vlingo.com/apps/android http://www.vlingo.com/apps/android Vlingo for Android might be able to help

For your friend who is handicapped it looks like http://www.vlingo.com/apps/android http://www.vlingo.com/apps/android Vlingo for Android might be able to help him a little bit more. The incar demo has talkback and voice confirmation. http://www.vlingo.com/demo/videos http://www.vlingo.com/demo/videos