So I found this awesome app that converts your phone into a simple one menu interface that makes it really easy to navigate and use your phone in the car. It's called frontend car launcher. The download link is below, it's free by the way. It's highly customisable at looks pretty good too.
Front end car launcher - https://play.google.com/store/apps/d...flaki.frontend
I made a demo and guide of how to set it up, the link is below if anyone is interested in having a look, otherwise just download it and give it a go yourself!
YouTube demo - http://youtu.be/73akPpGmx6Q