Blenderartist community is starting to talk about Defold too:
http://blenderartists.org/forum/showthread.php?395333-Now-it-s-King-(Candy-Crush)-that-is-open-sourcing-their-technology-(Defold-engine)
Some people there thought that King already open sourced it.
Games from scratch did give the engine a lot of credit for it’s strong sides.
Your documentation is top notch, which is very appreciated!