Damn, I feel like in school now.
I guess those would be three most important things:
guest viewers - privileged and unprivileged (see none/one/two players' hands)
table shaped accordingly to not-yet-written set of rules
I think that would make us be teleported right into rapid testing world. Nothing that deserved bolds though, as those may not be super-important, big features that need plenty of time.
You may dislike me now