
As it stands, they have a developer blog going, and are looking to be getting a bunch more up within the next few weeks. The biggie though, is that they are definitely looking for people right now! Seeing as the Katawa fandom is as responsive as it is, I'm going to post the link the their blog, which contains more info than I can relay here at the moment

http://chordprogressiondevblog.blogspot.com/