Abstract: A method that applies supplementary attribute information to the e-book content is provided. The method includes retrieving the e-book content; identifying objects in the retrieved e-book content; selecting one or more of the objects; defining one or more screen alteration attribute values regarding the selected objects; collecting an application condition for applying the defined screen alteration attribute values to the selected objects; and generating the supplementary attribute information by binding the defined screen alteration attribute values to the selected objects, and an action condition.

Abstract: A display device controlling method, a sink device thereof, and a mirroring system thereof are provided. The display device controlling method includes receiving metadata and media data for mirroring a screen image at a sink device from a source device, if a request is received, determining whether the request is an independent request for requesting to perform an operation of the sink device independent from an operation of the source device, or a dependent request for requesting to perform an operation of the sink device dependent to an operation of the source device, and, if the request is an independent request, carrying out the request at the sink device. When the request is input to the sink device, an operation desired by a user may be quickly performed.

Abstract: A method and apparatus are provided for playing an animation in a mobile terminal. The method includes displaying content; determining an object of an animation from the content; determining whether an interaction event occurs while displaying the content; and playing an animation of the determined object, when the interaction event occurs.

Abstract: A display device controlling method, a sink device thereof, and a mirroring system thereof are provided. The display device controlling method includes receiving metadata and media data for mirroring a screen image at a sink device from a source device, if a request is received, determining whether the request is an independent request for requesting to perform an operation of the sink device independent from an operation of the source device, or a dependent request for requesting to perform an operation of the sink device dependent to an operation of the source device, and, if the request is an independent request, carrying out the request at the sink device. When the request is input to the sink device, an operation desired by a user may be quickly performed.