We are in discussion with a few parties / business', if for example you wanted to add items to it you can go right ahead and do that. Marketplaces are been worked on, an example of a prototype is here http://188.226.131.93/app/#/ you can go right ahead and add items to see a working example,

I have my own business of which im just getting round to adding to the marketplace, in the form of digital serials for games, dlc for xbox live etc. You can also take a look at the commands that can be used within the wallet itself via the console https://github.com/syscoin/syscoin/blob/master/COMMANDS.md