Explaining on Instagram: "Japan has held official Rock Paper Scissors competitions, known as janken tournaments, where players compete using strategy, psychology, and timing rather than luck alone. ✋✌️✊ These events range from televised contests to corporate tournaments, with some companies even using janken to decide promotions, prizes, or business outcomes. Players study patterns, tells, and probability, treating the game as a serious competitive skill rather than a children’s pastime. It show