Abstract: Described is a technology by which a specific gadget program is installed (e.g., created) on a main host computer system that receives data (e.g., an RSS feed) from a distribution source, in which the feed data contains the information needed to install the gadget. Once installed, gadget is then used to receive content from its corresponding data source and provide the content for display on an auxiliary display device. The feed data may include metadata such as a gadget-related enclosure, from which the installer may register information corresponding to the metadata in a registry or the like, and associate the gadget with one or more particular auxiliary displays. By processing the metadata, the other gadget is installed and then run as needed to handle content data from the corresponding data source, in order to render content on an auxiliary display.