Patent ID: 8872765

Claim:
A portable terminal comprising: a receiver configured to receive, from an electronic device, function information of a plurality of external devices, the external devices connected to the electronic device, and configured to receive, from the electronic device, an operation state of the electronic device with respect to the external devices; and a processor configured to determine, based on the function information and the operation state, one of the external devices as an operation target and operable functions of the operation target, and configured to present, in a user operable manner, a device operation screen comprising a plurality of graphical user interfaces (GUIs) for performing functions of external devices regardless of types of the external devices, a first GUI of the plurality of the GUIs usable for an operation of the operation target, a second GUI of the plurality of the GUIs not usable for an operation of the operation target, wherein the processor is configured to preferentially present the first GUI of the plurality of GUIs usable for an operation of the operation target.