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Just a friendly heads-up: as with DOTT Remastered, when using DoubleFine explorer, you can extract the original game data files.
Here are the folders to look for:
Classic, which contains the base files FT.LA0, FT.LA1 and MONSTER.SOU.
DATA, which contains the various other (non-language specific) data.
VIDEO, which contains the non-language specific video files.

In the case of DATA and VIDEO, there are also folders containing the language-specific files. Make sure to use the directories EN/DATA and EN/VIDEO, as the base data files are of the English version.

When the relevant files are extracted, the game will run just fine in ScummVM! It's Version B, if the detector is anything to go by.