The Mask of Zorro on the Game Boy Color is likely an action-adventure game based on the movie. Gameplay would probably involve platforming elements, combat, and possibly puzzle-solving to progress through levels inspired by the film's storyline.  The European and US releases may feature some differences in content or localization. More information about the game's developer and publisher are needed.

Mask of Zorro, The (Europe)

Mary-Kate and Ashley - Crush Course (USA)