Gambling in Japan is a curious mix of strict laws and surprising exceptions....

https://brookssimpressiveop-ed.wordcanopy.com/posts/pachinko-apps-on-smartphones-is-that-common-in-japan

Gambling in Japan is a curious mix of strict laws and surprising exceptions. While most betting is illegal, you’ll find legal outlets like pachinko parlours, horse racing, keirin cycling, and kyoutei boat racing