Tried it on no$gba, and so far it worked well, for an alpha version.
Simon's jumping animation for some reason changes into his hurt frame when he jumps. If you want, I made a bunch of new frames for him that I could share. Those include a better animated idle stance that mimics richter's more, few frames for jump, a transition into crouching, air whipping and such. Even got some more advanced stuff like sliding, running and item crash for him.
Btw. you can see his whip changes into the "whipped" frame one frame too early. Dunno if it'd be noticable that much on a real ds's poor refresh rate, but I don't feel like getting it from under the pile of stuff and searching for my sd>usb converter, so.
Then you can turn around in air too freely. It's fine during normal jumps, but when you can turn around over and over while whipping there's a slight problem.
Also that screen on top screen is too blurry. I can provide you with the original, crisp and clear.