A mobile device processor unit enables a remotely-located user to interact with a user interface associated with a complete mobile device on a computer supporting the user, where the interface is presented based on execution of functionality of the complete mobile device on a limited selection of components of the complete mobile device. The limited selection of components is included in a mobile device processor unit. The processor unit can be installed in a slot space of a support chassis to structurally support the limited selection of components and to couple the processor unit with a connector to communicatively couple the components with the remote user via a communication network.