Not yet -- sorry.
If you're feeling adventurous though I do appreciate any help with
the project
>
> What might you consider help?
>
> Is the source code accessible?
> Can existing sources be (re)used?
> For instance, can any of the javaScript code from TryScheme
> ?
It is all mit-licensed and at code.google.com/p/papert
I have not seen any of the tryscheme code