Things like WINE or NES emulators or the like would fall very comfortably into fair use. That is not at all clear. But given that Android is not fair use (it'

Things like WINE or NES emulators or the like would fall very comfortably into fair use. That is not at all clear. But given that Android is not fair use (it's not interoperable How is it not? Lots of code written for the JVM will build and run unmodified on Android. Not 100%, but WINE isn't 100% compatibile either.