If you want the best PC-Engine Emulation Package ported to AmigaOS,
write the author.
I have been in discussion with the author of "Magic Engine" about an Amiga-Port. If enough people would request an Amiga Version he would port it to AmigaOS, he told me, "but up to now I did not get more than about a dozen requests".
If you are interested in PC Engine Emulation on the Amiga email to:
If you write him "be nice" :)