Exactly what is 4D? 4D stands for "4 digits." It is a popular lottery video game in Singapore in which gamers pick a mix of 4 numbers from 0000 to 9999. How can the sport Function? Gamers select their sought after 4-digit number or can choose a random range. https://marioxayyj.blogocial.com/4d-success-these-days-64301850