Provided is a method of creating a mashup application in a host device in communication with a peer device by sharing remote services. The method includes discovering a second device that uses a middleware remote service sharing mechanism within a network, wherein a mashup framework of a first device performs the discovering; analyzing functionalities of the first device and the second device, and determining one of the first device and the second device as a host device and the other of the first device and the second device as the peer device; transmitting a list of available mashup combinations to the host device, wherein the peer device performs the transmitting; and selecting a mashup combination that is to be formed from the list, wherein the host device performs the selecting.