Abstract: Computer program products, methods and systems for accepting content that defines an event handler. The content is provided to a media player configured to render the content. The event handler is configured to receive an event from an operating system on which the media player runs, the operating system executing on a mobile device having an integrated display and an integrated telephone. The content is presented by the media player on the display. The event is received from the operating system and providing the event to the event handler. And the presentation of the content is modified by the media player based on processing of the event by the event handler.

Abstract: In an embodiment, a method is provided. The method includes playing a content file with a media player on a cellular telephone. Also, the method includes receiving an interrupt event. Moreover, the method includes saving state of the media player on the cellular telephone in the media player.

Abstract: In one embodiment, a method is provided. The method includes evaluating local codecs of a cellular telephone. The method further includes playing a content file with a media player on the cellular telephone. The method also includes accessing encoded media referred to by the content file in a format determined based on local codecs of the cellular telephone.

Abstract: In an embodiment, a method is provided. The method includes playing a content file with a media player on a cellular telephone. Also, the method includes receiving an interrupt event. Moreover, the method includes saving state of the media player on the cellular telephone in the media player.

Abstract: In an embodiment, a method is provided. The method includes playing a content file with a media player on a cellular telephone. Also, the method includes receiving an interrupt event. Moreover, the method includes saving state of the media player on the cellular telephone in the media player.

Abstract: In one embodiment, a method is provided. The method includes evaluating local codecs of a cellular telephone. The method further includes playing a content file with a media player on the cellular telephone. The method also includes accessing encoded media referred to by the content file in a format determined based on local codecs of the cellular telephone.

Abstract: In an embodiment, a method is provided. The method includes playing a content file with a media player on a cellular telephone. Also, the method includes receiving an interrupt event. Moreover, the method includes saving state of the media player on the cellular telephone in the media player.

Abstract: In an embodiment, a method is provided. The method includes playing a content file with a media player on a cellular telephone. Also, the method includes receiving an interrupt event. Moreover, the method includes saving state of the media player on the cellular telephone in the media player.

Abstract: In an embodiment, a method is provided. The method includes playing a content file with a media player on a cellular telephone. Also, the method includes receiving an interrupt event. Moreover, the method includes saving state of the media player on the cellular telephone in the media player.

Abstract: In an embodiment, a method is provided. The method includes playing a content file with a media player on a cellular telephone. Also, the method includes receiving an interrupt event. Moreover, the method includes saving state of the media player on the cellular telephone in the media player.

Abstract: In one embodiment, a method is provided. The method includes evaluating local codecs of a cellular telephone. The method further includes playing a content file with a media player on the cellular telephone. The method also includes accessing encoded media referred to by the content file in a format determined based on local codecs of the cellular telephone.

Abstract: Computer program products, methods and systems for accepting content that defines an event handler. The content is provided to a media player configured to render the content. The event handler is configured to receive an event from an operating system on which the media player runs, the operating system executing on a mobile device having an integrated display and an integrated telephone. The content is presented by the media player on the display. The event is received from the operating system and providing the event to the event handler. And the presentation of the content is modified by the media player based on processing of the event by the event handler.

Abstract: In an embodiment, a method is presented. The method includes playing a content file on a media player of a cellular telephone to provide a user interface to a user of the cellular telephone. The content file is independent of the cellular telephone. The method also includes receiving user commands through the user interface. The method further includes operating the cellular telephone responsive to the user commands.

Abstract: In one embodiment, a method is provided. The method includes evaluating local codecs of a cellular telephone. The method further includes playing a content file with a media player on the cellular telephone. The method also includes accessing encoded media referred to by the content file in a format determined based on local codecs of the cellular telephone.

Abstract: In an embodiment, a method is presented. The method includes providing a user interface content file. Additionally, the method includes playing the user interface content file in a media player on a cellular telephone. Moreover, the method includes interacting with a user using the user interface content file. Additionally, the method includes downloading an update to the user interface content file.

Abstract: In an embodiment, a method is provided. The method includes playing a content file with a media player on a cellular telephone. Also, the method includes receiving an interrupt event. Moreover, the method includes saving state of the media player on the cellular telephone in the media player.

Abstract: In an embodiment, a method is presented. The method includes presenting a user interface to a user on a cellular telephone by operating a media player with a content file. The method also includes receiving user commands. The method further includes translating the user commands to device specific commands in the media player responsive to the content file.

Abstract: In an embodiment, a method is presented. The method includes receiving specifications for a cellular telephone. The method further includes developing a platform independent user interface implemented by a media player for a cellular telephone separately from an operating system for the cellular telephone. The method also includes integrating the user interface with the operating system.

Abstract: In one embodiment, a method is provided. The method includes providing an operating system on a cellular telephone. The method also includes providing a graphical display engine on the cellular telephone. The method further includes providing a user interface having a plurality of hierarchical interface layers. At least one of the plurality hierarchical interface layers is provided by the graphical display engine. At least one of the plurality of hierarchical interface layers is provided by the operating system.