There is provided a device control apparatus including a transmission signal input/output unit for receiving a signal including a control signal for controlling an internal state from another device or outputting the signal to the other device, an application acquisition unit for properly accessing an application server over a network and properly acquiring the application, a display control unit for controlling a display based on the application acquired by the application acquisition unit, and an operation control unit for executing the application acquired by the application acquisition unit and controlling an operation of the other device connected to the transmission signal input/output unit. The operation control unit permits the other device to transmit its status upon initiation of the execution of the application acquired by the application acquisition unit, and prohibits the other device from transmitting the status upon termination of the application execution.