Pass-and-play

[…] and multiplayer games can be conducted online (with push notifications announcing updates) or in the same physical place using pass-and-play turns.

With all that said, you should be ready to create the “Pass and Play” version of Tic-Tac-Toe.

Days of Wonder emphasizes pass-and-play over mobile/social multiplayer because they want their games to feel like board games no matter what platform they are for.