Well, as of ScummVM r35060, the Groovie engine is part of it. Yes, that’s right folks, if you download the Daily Snapshot of ScummVM from now on, you’ll be able to play The 7th Guest with it.
We’re going to keep the google code project going, but the svn repos there might not always have the most recent code: that will be in ScummVM. And this blog will continue indefinitely :-).