Hello, landlord. In this era of rapid development, smart phones have been constantly popularized. Now people in the society can not do without mobile phones. Mobile games have naturally become people's choice of entertainment and leisure. Chess and card games have broken the space and time limits of the original offline chess and card games, providing great convenience for people, and the demand for chess and card games is naturally great. The user base of chess and card games is large. In addition, it covers a wide range of age stages, so the number of users is nothing to worry about. People who like chess and card games occupy a large part of the game market.