This will be your main entry point for all admin tasks and of course will require you to be logged in.
is currently lacking in features; it's main use at the moment is to provide special configuration on a per app bases.
For instance, twitter requires that you register an app to obtain access codes. These codes must then be added to the configuration before we can use twitter.
Eg. go to http://dev.twitter.com/apps/new
to register a twitter app and insert the following with the correct key and secret for your app into your admin box.