In Keno, players feeling the urge to try their luck need to pick any number of lucky digits then wait for the draw. The more numbers played means the higher the chance of winning - but it also translates to a higher stake. Players may just emerge from wherever and play keno; absolutely no skill needed.
When mentioning Japan, people often think about sushi and samurai, but the Japanese are also famous for being hardworking and humble. Most forms of gambling are banned in Japan, but online mobile gambling is growing fast in the country and it's easy to find attractive bonus offers targeting Japanese residents.