In the casino context, bingo is a card game where each player is dealt five cards face down, and so is the dealer. The dealer then reveals one of his cards and any player with a similar card wins. The game is easy and does not require any skill to play.
The British gained a foothold on China, which is Hong Kong. Hong Kong has been reverted to China rule, thus generating trillion of extra dollars in reserve. The people of Hong Kong can play online gambling, such as Planet 7 Casino which gives the player 250USD bonus for 50USD deposit.