A center device communicates with one or more controller devices operated by one or more users. The center device is operable to: execute at least one application program; detect a respective connection with each of the one or more controller devices and to select one of the one or more controller devices for authentication; query the user of the selected one of the controller devices for requested authentication information; receive, from the selected one of the controller devices, authentication information provided by the user of the selected one of the controller devices; and permit the execution and manipulation of the output of the application program only when the authentication information provided by the user, and received from, the selected one of the controller devices matches the requested authentication information.