Q (KJU) / Qemu:
I get quite a few e-mails asking about an emulator that will work on PowerPC. This is something that I didn’t have to use so far but I did receive quite a few referrals from readers recommending an application called Q (KJU).
* Q (KJU) (Free) Emulator that is PowerPC friendly – http://www.kju-app.org
I found this link very helpful with step by step in how to instal it: http://maemovmware.garage.maemo.org/2nd_edition/installation_qemu.html#Installing_QEMU_on_Mac