1. A mobile terminal for supporting a relocation of an application-specific functionality during a network layer-level handoff, comprising: a communications interface; a processor communicating through the communications interface, the processor configured to cause the mobile terminal to perform the steps of: (a) initiating an application with a content source; (b) receiving a packet data stream that is associated with the application; (c) registering application context information comprising an application-specific functionality information; and (d) continuing to receive the packet data stream in response to the mobile terminal completing the network layer-level handoff