There's really not much to this place, and though I have passed by it several times, I only even…read morepaid attention when I was looking for a Postbank in the area.
Essentially, the plaza looks like the lobby of a hotel, with very dated tiles and lighting. On the ground floor, there are a few restaurants (one Thai, one Bavarian, one Italian), a Mäc-Geiz, a Postbank, a hair salon that reaks of perm solution, and a Fielmann. Maybe a few other places but nothing memorable. Otherwise, it's all offices for rent. Not terribly exciting.
I don't really see a reason why anyone would go out of his or her way to come here, but I guess if you work in this office, it might be convenient to have these places nearby (plus a Rossmann next door).