@tonihele your fork is workable, thanks. I found a way to launch the examples but I don’t understand how to launch the GUI-editor. Is it possible or it is only a set of separate examples?
I have also installed the old version of the SDK (3.0.10 from your link). I never seen how the visual editor of JME3 must work, but I have received only a blank window area. Maybe it is normal:
If It is possible,I want to remember that I can not launch any OpenGL subwindow inside the SDK (I wrote about this here: my previous problem. Maybe the GUI-editor works normal but I can not watch him because it uses OpenGL inside the JDK.