Ben Dooley and Paul Mozur, The New York Times Company TOKYO — Genshin Impact, one of the world’s hottest mobile video games, has all the characteristics of a Japanese invention: giant robots; human-size swords; characters with huge eyes and spiky, rainbow-colored hair; and a puzzling fixation on women in maid outfits. There’s just one catch: It’s Chinese. Released in late 2020, the game is the first bona fide international smash hit for China’s video game industry.