Hi David,
I testet only with the berlin map, coming with cf.
the second level of pois is not blank, but there are wrong entries. eg: If you looking for a car dealer, you get in the first level all the car-brands. If you choose "alfo romeo", you dont get the alfa-dealer, but all the cafes in the nearer distance.
I also tried with a old d3 map and there are no second level, so everthing is working correct.

Sorting the favorites is fine, because if your looking for, say a lpg-station, you are looking for the nearest. But the sorting have to be reverse, because I cant see the nearest. The first entry is about 50km away (this is the distance I choose in the settings). The last entry on the bottom of the list is the nearest. If you reverse this its perfect!