1. A computer system for providing localized application data to computing devices linked to a data communications network, comprising: a client device linked to the communications network including a running application, an administrative interface in communication with the application and the communications network, and a local memory for storing localized application values used by the application; and an application value repository linked to the communications network for storing localized application values used by the computing devices; wherein the administrative interface is operable to receive a request from the application for application values and to respond by selectively retrieving the localized application values corresponding to the request from the local memory and the application value repository.