The host is the first player to connect to the game by scanning the QR code on the screen. 

The host manages the game settings, including changing the language, choosing the mode, starting each round, and selecting gameplay settings such as grid size, game duration, and active features. They can also permanently delete profiles of players who have disconnected. 

If needed, the host can also transfer their role to another connected player, ensuring smooth gameplay and session management for everyone involved.