Right, perhaps I'll try to build ontop of this prototype a little more and see if I can do more with the game idea. I had some ideas on how to make the game a bit harder and more interesting.
Thanks for trying it out!
Two small hints:
1: You could try do a series of much much much more basic levels
2: make property-swapping make sense (It seems that you can only swap adjacent buildings: do you need that restriction?)
3: building comprehension - it might be the background, or the overlaid money/happiness/whathaveyousymbols but...yeah, in spite of my familiarity with buildings, I couldn't easy ascertain anything. Maybe a civ-style 'influence' view, where if you click on a city it'd show the modifiers that affect it over the properties that cause those things (so if you click on a house, and it's next to a school, you would see ... i dunno; a happy face or something over the school because schools make people happy)