Lemuroid reads .zip files. You can zip individual ROMs (e.g., game.gba → game.zip ). For PS1 games, use CHD format via chdman .
All files are in .zip or .chd format for maximum compatibility and space-saving. Lemuroid Roms Pack
It is impossible to discuss this feature without the necessary disclaimer. Downloading a massive Roms Pack containing games you do not own is, in many jurisdictions, copyright infringement. Lemuroid reads