Earlier quoted context omitted.
Actually it will run Portable OpenSSH. If you really care about donating for that cause, contacting the porting team might be a good idea.
The "portable" part is not the major part of "portable OpenSSH", though. (It is nice, though.)
I'm not sure what you mean. Portable openssh is openssh + support for non-openbsd systems. This also includes things like pam support. I'd say that the "portable" part is almost all there is to the "portable openssh" project.