"El Juego de las Llaves" translates to "The Game of Keys" in English. Without more specific information, it's a bit challenging to pinpoint exactly which game you're referring to. There are games with similar names in various contexts.
If you specifically want a research paper or academic article about El juego de las llaves , and the phrase “interesting paper” was literal, could you clarify the title or author? I’d be glad to help you find it through legal, open-access channels like Google Scholar, JSTOR, or institutional repositories. "El Juego de las Llaves" translates to "The