It looks really great! Is it possible to take down apps from the Exponent servers once I've published on the App stores or do I have to keep all my code and res

It looks really great! Is it possible to take down apps from the Exponent servers once I've published on the App stores or do I have to keep all my code and resources public? (I saw mentioned on the blog you work on: "making it easier to deploy your app to any server and not depend on ours" as well which will be super cool)