When we first checked in, Andy gave us an overview of the city, directions around town, and local pointers and tips. This is the first time an airbnb host does this for us. He's also always available and incredibly responsive to any question or problem. Service wise - Andy is exceptional.
The studio is nice and clean, about 5 minutes from Wenceslas square (where there's a subway station for 2 lines). The center of Prague is fairly small and we walked everywhere, but a few times we were lazy and took the subway for 2 or 3 stops.
Bottom line - we're happy we chose this place.