Abstract: A user terminal apparatus and a control method thereof are provided. The control method includes: receiving a user control input selecting a user mode; reconstituting a screen based on use authority information of a user mode selected according to the user control input; and displaying the reconstituted screen.

Abstract: A content reproducing method and system for performing seamless playback of contents between devices is provided. The contents reproducing system includes a portable device which, when a short distance communication with a remote control which is configured to control an electronic device occurs during reproducing of contents, generates data required by the electronic device for reproducing the contents that are being reproduced, and which transmits the generated data to the remote control; the remote control which receives the data from the portable device and which transmits the received data to the electronic device, in conjunction with the occurrence of the short distance communication with the portable device; and the electronic device for receiving the contents from a contents provider and reproducing the contents.