A mobile device file management system, method of managing mobile device file sharing and a computer program product therefor. A media repository server stores files and metadata for each stored file. Mobile devices couple to the media repository server over a network. At least one mobile device screens metadata for requested files provided from the media repository server. The device checks local storage for any screened filed identified as popular, and if already present fulfills the request with that copy Otherwise, the device downloads a copy from the media repository server.