Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you have been placed in read-only mode.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
It seems that Retropie does not currently handle dual monitors. I am going to try a few different options. Maybe loading the Pi right into Mame, or maybe start an OS with retroarch and load a core.
More to come….
@roslof I actually changed that Punchout realistic arcade bezel to work with HSM's reflection shader. I'll be uploading it soon.