What Is Toto 4D? Toto 4D, a lottery game run by Singapore Pools, is a very popular game. The company is responsible for legal lottery operations across the country, as well as generating funding for social and charitable causes. Draws are held every Wednesday on a Saturday, Sunday and Wednesday. https://sports-toto-site18458.full-design.com/5-clarifications-on-sport-toto-official-website-72840511