Laotie, I know a professional and reliable company, Dayou Network Technology Co., Ltd., which specializes in the development of chess and card games. There are many models, including the big league and the circle of friends and relatives. My game platform is also made in his home. The big league and friends circle have done it. The game is very good and cost-effective. There are more than 600 chess and card games in their company. If you want to develop the big league model, Dayou Network is a good choice. There is a professional research and development team to carefully develop and professionally design for customers; To provide customers with a full range of R&D, construction and after-sales services, you can