user terminal device for generating playable object and method thereof

Disclosed is a user terminal device. The user terminal device includes: a storage unit; a communications unit which performs communications with an external device; a display unit which displays an image stored in the storage unit or an image received by the communications unit; an object generation unit which generates an interactive object to be added to the displayed image, and adds the interactive object to the image to generate a playable object; and a control unit which displays the playable object through the display unit, and transmits the playable object to the external device through the communications unit to share the playable object with the external device. Accordingly, interaction with the external device is available.