There are already android devices that fit where a car stereo does: http://www.parrot.com/usa/products/bluetooth-hands-free-car-kits/parrot-asteroid http://www.

There are already android devices that fit where a car stereo does: http://www.parrot.com/usa/products/bluetooth-hands-free-car-kits/parrot-asteroid http://www.parrot.com/usa/products/bluetooth-hands-free-car-... The only difference would be the integration of key data points from the car itself. But then we stray from navigation and entertainment into core functionality of the vehicle. And at that point I'd want the device to be proven to still be fine for the operating parameters of a car, which requires a different level of engineering/quality than an entertainment and navigation system.