hawaii 4d poolsSingapore Pools takes a strong Play Responsibly stand. Customers should play our games just for a little flutter and it must not adversely affect their finances or lifestyle. Our game rules doHawaii 4D Pools: Draws take place every day, and players are required to choose pick 4 main numbers between 0 and 9 plus an additional number, known as the Jackpot, between and 9.