Use your chosen packing tool to compress the folder containing the ROMs. You can create a ZIP, 7Z, or other compatible archive format.
Configure RetroArch to play the games in your pack. You can set default settings, such as controller configurations and graphics options, for the entire pack. pack roms para retroarch android link
Collect the ROMs you want to include in your pack. Ensure they are compatible with RetroArch and your Android device. Use your chosen packing tool to compress the
A Comprehensive Guide to Packing ROMs for RetroArch Android pack roms para retroarch android link