1. A camera device comprising:first communication circuitry;
second communication circuitry; and
one or more processors configured to at least:
based on detecting a mobile device using the first communication circuitry, send connection information and application information directly to the mobile device using the first communication circuitry, the connection information for establishing a direct connection between the camera device and the mobile device using the second communication circuitry, the application information for identifying an application to be executed in the mobile device to remotely control the camera device based on a control signal to be sent to the camera device,
receive the control signal from the mobile device via the direct connection established between the camera device and the mobile device using the second communication circuitry based on the connection information, and
perform a function of the camera device corresponding to the control signal.