It would be nice to be able to have a quick look & see if there are any current jams.
It happens pretty often that I'd like to jam, but I'm not sure if anything's going on or not. Today, I have to go downstairs, boot the computer, start the app, hit the connect button, etc., etc., etc…
Might be some marketing for the site as well, along with some notes around most common jam times/days.
At least the public jams. For bonus points, private jams you have access to.