Audio/video processing apparatus for a car

The disclosure is related to an audio/video processing apparatus for a car such as a car audio system, which allows various applications installed at a mobile communication device of a user (for example, a smart phone, a tablet PC or the like) to be implemented using car equipment, by executing or implementing various applications installed at a mobile communication device through a car audio/video control module or an application for a car (App-C) installed at the car.