Go for it. I would praise you forever and ever if you could get minecraft on the kindles.
You could ask Notch for source, but that might mean we'd have to work with mojang. We will probably have to use chunks of GM's code as well.
Just as a hint: mojang.com/notch/minecraft4k (or something like that)might be interesting to look at for our purposes. I think Notch would be more willing to give out Minecraft4K source than give out source from a game he makes money off of...