I like the new navigation menu preview. Definitely wouldn't have liked going back to clicking random areas, there's so many games that do that and aren't as obvious where to go. I mean I've played enough of the game currently that I wouldn't have an issue probably but as a new player it is confusing as hell sometimes. I honestly don't see why people had issues with the arrows, it is a game, not like it's a VR first person thing or something. But the new navigation system looks quite good as well, and more fancy looking.
Also I'd avoid flash like the plague imho. It always seems to screw up for me at least. So I'd be less inclined to enjoy it if it was flash I believe. So maybe for some games, but definitely not a game like this. Least imo.