Developing Apps with Panopoly
You'll have to either create your own apps server using the Apps Server module or submit your app to an existing app server. In your case, you'll probably want to post on the Panopoly issue queue and ask about the process to do that; @populist will probably be the guy to answer your questions there.

Check out this post for more info on the Drupal apps scene:

http://chocolatelilyweb.ca/blog/drupal-apps-answer-plug-and-play-drupal-site-building