Yep!AM supports multiple lists for each emulator through the use of "Filters", which are comprised of a series of rules and exceptions that you set up. Check out the following link for some details:https://github.com/mickelson/attract/blob/master/Readme.md#further-customization
You press the add/remove favourite bottom.
Read this:http://forum.attractmode.org/index.php?topic=229.0