Application services associated with a mobile communication device are facilitated by a mediator gateway. A request for providing an application service is received by the mediator gateway. The request is associated with a mobile communication device. The mediator gateway selects a network among a plurality of networks associated with different carriers to which to send the request. The request is translated into an application programming interface request that is specific to a carrier associated with the selected network. The application programming interface request is sent to an application programming interface gateway associated with the carrier that is associated with the selected network.