MensaUPB shows you the menus of the Studentenwerk's restaurants: Mensa Academica & Mensa Forum, Grill|Cafe, Hotspot und Cafete.
Allergens and additionals are listed on the Studentenwerk's internet page.
Known problems: at the moment, there are regular crashes on some devices; unfortunetaly I didn't have the time to fix them yet.
Permissions all are needed to use the Android sync framework - to remove
the permissions I would have to replicate the sync framework myself.
That would take too much work for very little benefit.