Sure! Here's an example of a simple tic-tac-toe game implemented as a single HTML file using JavaScript and enclosed in script tags. The game can be played on a smartphone and uses pictograms to represent the X's and O's.
Tic Tac Toe
To play the game, simply copy and paste the above code into a new HTML file and open it in a web browser, or save it as a standalone HTML file and open it on your smartphone.
The game is played by tapping the empty cells in the 3x3 game board. The X player starts, followed by the O player. The game will notify the winner or a tie when the game ends. Enjoy playing tic-tac-toe!