YES YES YES! This is amazing! I played it for a half hour straight on my Kindle Fire earlier! Great job man, keep going! Just let me list a few problems and concerns.
-The AI is a bit buggy. When they get on the ledge, they don't seem to wanna get off, so you need to force them off the ledge. Also, if they are after an enemy that's on a ledge, they just crouch at the ledge forever. Other than that, the AI is great!
-The multiplayer doesn't work at all. One one screen, my coin would be on Mario, and on the other it would be slightly to the right of Mario. When I tried to start the game it said "Loading" forever and never started.
-It's kinda hard to not up tilt or down tilt. If the joystick is just the slightest bit up/down, it will do an up/down tilt attack. It's just a little annoying when I wanna f-air to spike him, but I do my u-air instead.
-The f-air is overpowered as it hits multiple times if you hit it right. I can do around 50 damage in one attack if I get the perfect timing.
-The game doesn't end. When the timer hits 0, it goes negative.
-The attacks don't seem to send them forward as much as they should, it seems like they just mostly go up, completely eliminating having to attempt to recover back onto the stage.
-On the one-way-platforms, if you jump straight into the side of the platform, you will appear to be standing inside the platform with your legs dangling underneath.
Now I know this is an early build and there's bound to be lots of problems, just giving you a heads up so you can improve them. Also, I could help out with graphics if you need. I cant really sprite (I'll practice and see what I can do), but I could definitely do menus and what not.
Again, great job on the game. Can't wait for more updates! :D