Very cool and unique concept! I had a lot of fun building up my convention center. I got to a point pretty quickly where I could just keep rolling days without changing anything and rack up money, however and I wasn't quite sure what the cards were for, it seemed like I couldn't click them. The UI style is one point. I would recommend not putting text that the player needs to read, like the text on the cards, on a slant because they were a little awkward to read but apart from that its clear a lot of work was put into it. Great work!