The problem was that I didn't adapted the script portion that saves the
__gwt_bookmarklet_params variable (it should work on the frame window).
So since in my case the frame was called 'sheet', at the end for me it was
enough adapting it this way
javascript:%7B var sheetFrame %3D
I have an entry point hosted into an iframe. I have to manually open the
host page into a new browser tab in order to make the superdev mode aware
of the modules available (otherwise the superdev mode UI doesn't detect any
module).
I've tried to manually tweak the bookmarklet code in order to
