I'm the Fuwanovel community admin and a big fan of Visual Novels. The easiest way to get a hold of me is via a PM on the Fuwanovel Forums, by twitter (@ArchmageTay), or by email.
Winners will find their keys in the next few days in their DMs (make sure that we're able to contact you).
(that said, as long as our sophisticated select-the-winner-AI hasn't selected the winners, you still have a chance to be among the winners - even if you join now)