4399 Game Box is a mobile game download tool launched by 4399 Network Co., Ltd., which has the functions of free download of mobile games and game information recommendation. It integrates game recommendation, information, socialization, interaction and management, and has many characteristics such as free high-speed download of games, reading guide packages, interactive chat with friends, joining families (guilds), showing personal dynamics, earning pocket money and so on.

Game Box 4399 is a game social center based on smart phone, which provides one-stop game experience service for mobile game players. Players can download games, share games and management games in the game center, view game-related information, and make friends and interact with other players easily and conveniently.

Relying on the powerful R&D capabilities of 4399 Company, "4399 Game Box" has realized the functions of low power consumption, high-speed download, quick update, convenient operation, intelligent automation and so on, and actively manages all kinds of information of mobile games for players. At the same time, it provides a powerful SDK development kit for game developers to use, and deeply combines the game platform to provide quality services for players.