This application is a traditional Japanese card game called "Hanafuda".
"Koi Koi" is a popular rule to play with Hanafuda. It allows you to play until you lose all your points and compete for points while the regular rules allow you to play only 12 rounds.
"Koi Koi" is a popular rule to play with Hanafuda. It allows you to play until you lose all your points and compete for points while the regular rules allow you to play only 12 rounds.