Filter 'Arcade Clone' (button): Allows you to search and filter Clones of Roms for Arcade systems. The line (Clone of: rom_name → rom_title) is added in the 'temporary_rom' field. The filter (temporary_rom like'* Clone Of: *') is added to the filters in the Query drop-down list.
ArcadeItalia (checkbox): Also allows you to check in ArcadeItalia if the selected rom is a clone, and indicates it in the 'temporary_rom' field
Highlight Roms whose Core… (Combobox): Select the desired Core (combobox), then click the green tick to highlight the Roms whose selected core is the best.