1. A mobile wireless communications device comprising: a display; a memory configured to store at least one unregistered application and corresponding unregistered application data which is unable to be searched, and to store at least one registered application and corresponding registered application data that is able to be searched; at least one input device; and a processor coupled to said display, said memory, and said at least one input device, and configured to convert the at least one unregistered application and the associated unregistered application data to at least one newly registered application and associated newly registered application data which is able to be searched, configure access control privileges for the newly registered application data, the access control privileges defining the at least one registered applications that are permitted to search the newly registered application data, search, according to the access control privileges that were configured, the registered application data and the newly registered application data for a search term to determine whether each of the at least one registered application and the at least one newly registered application have search results associated therewith, display applications, after the search, having search results associated therewith on an application selection screen on said display, with a subset of information about the search results being displayed, receive selection of an application via the at least one input device, and execute the selected application to thereby present the search results on the display.