A system and method functions to make an app as installed on a smart device usable to access a service, such as a media streaming service. A presence of a counterpart to the app as installed on an appliance within a home network which includes the smart device is detected. A user credential, such as a username and password combination, that is associated with the counterpart to the app is then identified. The user credential is caused to be automatically associated with the app as installed on the smart device.