> If you're telling me that support for legacy applications is
> not important, then the door would be open for Intel x86 on iOS,
> which I believe is not. Nobody would buy an x86 based iPhone which
> doesn't support all of the legacy applications. And, to be once
> more clear here: It would require full recompilation in that case
> by the source code owners, which is out of reach for Apple,
> Microsoft and any other OS supplier. It's completely in the hand
> of third party suppliers (App developers).
This could be done with transparent code-translation but there would be a large one-time performance penalty on the device itself. Of course Apple could do it automatically on the App Store.
See FX!32 for a practical application of this.