At the moment the drop down for the menubar is on the right side, and the menubar has buttons on the left side. Every time you open and close the menubar you have to travel the width of the screen at least twice, and it's unintuitive.
Current version, open and closed:

A better option would be the droptown on the left, where you actually want to be with the mouse:

I put the menu button always visible because there is no Open in the File menu, and no shortcut, so it's the only way to acces a very important part of Fusion.
Cheers.