There are already a lot of projects for Android that do just that. Plenty of Bluetooth ODB2 dongles for sale for doing it as well. For instance: http://www.yo

There are already a lot of projects for Android that do just that. Plenty of Bluetooth ODB2 dongles for sale for doing it as well. For instance: http://www.youtube.com/watch?v=S0O5RZeXTDc http://www.youtube.com/watch?v=S0O5RZeXTDc