What Is Toto 4D? Toto 4D, a lottery game operated by Singapore Pools, is a very popular game. The company is responsible for the legal lottery operations in the country, and also for the generation of funds for charitable and social causes. Draws are held every Wednesday, Saturday and Sunday. https://sportstoto68933.thenerdsblog.com/35793241/ten-sport-toto-official-website-that-will-change-your-life