Note the use of the names tentacle and atlantis, they are taken from the code column and they will help RetroX to recognize them and use the latest known configuration for those games.
This is an example of valid scummvm folders retrox/scummvm/tentacle/ You shouldn’t need any configuration to run these games, you only need the game files and put them in a folder named following the code column. This is the list for currently supported ScummVM games.