I'm not quite sure why you are picking the most boring stages first; I was at least expecting Delfino and was all excited about Luigi's after that.
Anyway, Smashville is pretty cool among neutrals though it doesn't really compete with your counterpick options. That moving platform is easy to pressure with nairs, and you can use it as a springboard of sorts to chase opponents up into the air. Also, moving platforms in general and Chef work well together; you can use Chef to pressure an opponent on an approaching moving platform, and you can throw out a few pieces of food while riding it to make some interesting pressure. It's the only neutral I actually use Chef on, and I play on a liberal neutral list. The other funny thing about the moving platform is that brawl does have a universal reference frame (contrary to real world physics) so most chaingrabs and grab followups don't work on it, but Mr. Game & Watch's only real direct grab followup (the down throw stuff) works fine on it due to the way it plants them on the ground, and of course on platforms of that size and smaller, the down throw is that much better anyway.
The size of the stage also seems just right for Mr. Game & Watch to move around and execute his preferred style of aerial pressure, and the balloon lets you use uair for stale move refresh that much more efficiently (few other characters will find it so frequently convenient to pop the balloon). The only real complaint I have with the stage is minor; it's the easiest stage for Meta Knight, Pit, R.O.B., and a few others to move underneath evasively. In some matchups that complicates over the edge pressure, but most of the characters who can threaten that are guys you weren't going to keep off anyway. In general though, as a stage that doesn't tend to hand out favors, Smashville is a stage that aligns the basic elements in a Mr. Game & Watch friendly way.
In a conservative neutral stage list setting, Smashville would probably be a stage I'd go for frequently as I feel it is Mr. Game & Watch's best attempt out of the "boring 5". With more liberal lists, the Halberd and Delfino would take priority, but Smashville would still be a stage to go for as the strike-out wore down. As a counterpick it's just not worth it though; in pretty much any matchup, you can probably find something better even as you have to duck around stage bans. That leads me to rank the stage at a 6/10. It's a good stage to have around, and you'd be a fool to ever try to avoid it. However, it really isn't particularly exceptional or anything, and if you have a shot at greener pastures, you shouldn't cling to Smashville.
For those wondering why I have given such low rankings, I'm trying to actually be 5 normalized, not 7 normalized. That is, don't read my scores like a grade on a test where 7 is a C and 5 is an F. Read it more like 5 is the real middle point. I wouldn't say "average" since I'll inevitably call more stages good than bad for Mr. Game & Watch (it's not my fault he's so good), but I'm trying to actually make 5 "normal".
