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).
Please add more details about your setup, as asked in https://retropie.org.uk/forum/topic/3/read-this-first.
RetroPie doesn't have any built-in support for an extra display for marquees - the solution you may have found is probably using its own theming capability that you can use.
