Exporting gosu game to windows executable using releasy

I had a real trouble expoting gosu game in releasy. I tried bunch of
times but failed miserably.
I ended up doing “ocra GameWindow.rb --windows” but game does not work
for most people i send my game to.

how to use releasy for given conditions:
I have just one code file which is GameWindow.rb,
game icon is in media/favicon.ico
I have all the graphics in media and I don’t use any additional gems,
just gosu.

Can you provide a more detailed error message than just “game does not