It most likely of the oldest game s played from the eaters.
If the cards touch the middle it is recognised as a muck and your cards are going to dead. It is an online game app where you can challenge family members on Facebook once you've linked your bank account. https://taigamepc.com/giai-tri/game-bai-rikvip-trai-nghiem-va-cam-nhan-cua-mot-game-thu-lau-nam/29