Sure! Here's an example of a simple game implemented as a single HTML file with JavaScript using pictograms represented by squares:
To run the game, you can copy the above code and save it as an HTML file. Then, open the file in a web browser on your smartphone. You will be prompted to enter text, and the AI image generated with squares will be displayed on the canvas. The supported pictogram characters are `#` and `@` in this example, but you can add more pictograms as desired.