While Mario Kart 8 Deluxe does not have a formal "story mode" in the traditional sense, its journey from a 2014 Wii U title to the definitive 2017 Switch version—and the ongoing updates represented by the technical strings you provided—tells the "story" of its evolution into the best-selling game on the console.
Ryujinx stores title info in games.json: Mario Kart 8 Deluxe -0100152000022800--v1179648...