Keno is a popular lucky number game which offers massive flexibility and excitement. Early versions of this game feature 120 Chinese characters, which were a distinct challenge for non-Chinese. Its introduction to US casinos saw Chinese characters replaced by Arabic numerals, and later numbers. Its lottery format makes it exceptionally easy to play.
After the fall of the Soviet Union, Poland quickly emerged as a regional economic hub in post-Soviet Europe. Gambling is legal, and online and mobile casinos were recently regulated as well. An increasing standard of living and growing internet penetration makes online gambling a popular pastime, and mobile online gambling casinos are quickly consolidating themselves in Poland.