Modify your old RC Car into that new modern smartphone controlled car with Arduino and Bluetooth

Who have every played with his toy RC car?
Today you can turn your old RC car into an advanced Android RC car using Arduino and Bluetooth shield in simple straight forward steps.

First you need to get the car that fits all of those simple components required for the new control circuit.

Then you need to get all of the stuff out of it. You can find room for your control board as those modern circuits are much smaller than regular ones.