Better — Io.horizon.tictactoe.aix

It is important to clarify upfront: io.horizon.tictactoe.aix is not a standard filename or a known open-source library in public repositories like GitHub, PyPI, or NPM.

. This extension simplifies the process of creating a fully functional Tic Tac Toe game by providing pre-built logic blocks for board management and player turns. MIT App Inventor Community Key Features of the Extension Customizable Gameplay: io.horizon.tictactoe.aix

// Hypothetical Interface within io.horizon.tictactoe.aix
public interface AIXEngine 
    Move calculateOptimalMove(BoardState currentBoard, Difficulty level);
Import: Upload the .aix file into the "Extensions" panel of their builder. It is important to clarify upfront:   io