If you want cover art, VMC compatibility, and cheats alongside your ul.cfg , use OPL Manager.
Technically, yes. Practically, no. You can use a hex editor (like HxD) to change the displayed game names. Search for the game ID (e.g., SLUS ), and 32 bytes later you'll see the ASCII name. Overwrite it carefully. jeux ps2 ul.cfg
While possible to write your own ul.cfg using a hex editor, this is incredibly difficult and error-prone. Always use automated tools. If you want cover art, VMC compatibility, and