the invention relates to a method for converting generic application instructions stored on a server to a client specific application for a client device , wherein the server and the client device are arranged in a client - server network . the method comprises selecting a suitable plug - in based on a rating system and using the selected rendering plug - in to convert generic application instructions to a client specific application . by means of the invention it is provided a flexible solution for introducing new client devices to the client - server network , since any discrepancies between different types of client devices may be resolved by the rendering plug - in .