The Network Tools menu can be useful in checking on your Internet connection or tracerouting an IP. It also gives you access to some Wake on Lan options.
File Station
Use File Station to browse through a connected storage device and perform various file actions.
Here's a look at the settings menu of the File Station app.
Package Center
There are only a few available apps for now, but we believe that their number will increase rapidly soon.
Here are the Package Center's settings.
Log Center
Log Center provides detailed logs on just about anything that has to do with the router. If anything looks out of the ordinary, this is the right place to search for the source of the problem.