AppStream on Debian/Ubuntu unfortunately isn't multiarch-aware yet, I am working on that upstream. Won't make it for Xenial though, I think, since it will require several invasive changes.
In any case, even with that support PCSX2 wouldn't show up because of the issues linked above.
See http:// appstream. ubuntu. com/xenial/ universe/ issues/ pcsx2.html on why it doesn't show up.
AppStream on Debian/Ubuntu unfortunately isn't multiarch-aware yet, I am working on that upstream. Won't make it for Xenial though, I think, since it will require several invasive changes.
In any case, even with that support PCSX2 wouldn't show up because of the issues linked above.