Kinda a pipe dream I guess, but just asking. But seems nice people are saying it is working in paperwhite.
Anyways here is file directory structure in kindle ipad app
In Kindle -> Kindle.app
- and bunch of files with .proj attached after 2 alphabets (language files probably as they are named es,fr,it,ja,pt
In Kindle -> Kindle.app -> KindleExt
In Kindle -> Kindle.app -> KindleExt -> XRAY.bundle
In both these foldder there a bunch of nib files and one plist files