QEMU for iOS, Bochs, has been a thing for a long time. I remember running Debian on my iPod touch 3G. edit: Contrary to my memory it's its own project and not

QEMU for iOS, Bochs, has been a thing for a long time. I remember running Debian on my iPod touch 3G. edit: Contrary to my memory it's its own project and not QEMU based.