Sure, I can help you create a game using JavaScript in a single HTML file. Here's an example of a simple guessing game implemented as an HTML file:
To play the game, you can open the HTML file in your smartphone browser, and it will prompt you to guess a number. After entering the guess, you can click the "Guess" button to check if your guess is correct. The game will provide feedback and let you know if you guessed the number correctly or if you need to try again.
Note: The above example is a text-based game, so it does not use pictograms. However, you can customize and enhance the game by adding images or pictograms as per your specific requirements.