About this app
Koikoi is a game of Hanafuda (Japanese Playing Cards). -How to play Koikoi Throw away the card to the table into play alternately. If there is a match of the month, you can get the cards. You will be able to finish the game to get a point if your cards are flush. You are also possible to continue the game. Can not score with each other and no game. The winner is who get more points total 12 times game. Game record will be saved automatically.
Latest release
What’s New
The developer has changed from Googoleplex Ltd. to Hayashi Koichi's own business. This is why the support URL has been changed.
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 19, 2026 · 7:41 PM $1.99
Screenshots
