Sure! I can help you create a simple game in a single HTML file using JavaScript and pictograms.
Here's an example of a game where you have to guess the correct pictogram out of multiple options:
This game randomly selects a correct pictogram from an array and displays multiple pictogram options. When the user clicks on a pictogram, a message is shown indicating if they guessed correctly or not.
To test the game, you can copy the code into a new HTML file and open it in a web browser. Since it's designed for smartphone operation, you can view and interact with the game on your smartphone.