A free app for Android, by Pink Pointer.

Tic Tac Toe – Classic Puzzle is a classic puzzle game that you can play anytime, anywhere.

Gameplay

The objective of the game is to create sequences of three identical marks in a row or in a horizontal, vertical, or diagonal row. This can be done in one of the following ways:

In the 3×3 board, the player can create three identical marks in any of the six directions (up, down, right, left, forward, and backward). In the 3x3x3 board, the player can also create three identical marks in a diagonal row.

The game can be played with one player or with two players. The game consists of three difficulty levels.