Welcome, ficolas!
Feel free to hop on our IRC channel sometime, good discussion in there.
http://wiki.movingblocks.net/Main/UsingIRC
UI has been worked on some here and there but there's still lots to go. Are you curious about the more straight forward menu options and such, or actual game elements (OpenGL rendered) that pop up in-game, like a rotating 3D display of a set of blocks?
