updating the channel with new content
feel free to do that - either upload a new channel or change it to load a list of your content from a remote server with xml or json.
developing more than one channel and how to side-load it without wiping out the current channel.
only one channel can be side-loaded at a time - so save your developer keys and source zip packages. If you need two sideloaded channels get a second roku box (each are limited to one at a time)