Sure, I can help you create a simple game implemented as a single HTML file with JavaScript, using pictograms and designed for smartphone operation. Here's an example of a guessing game where the user needs to guess a word based on pictograms clues. You can play the game by running the HTML file on your smartphone.
Pictogram Guessing Game
Save the code above as an HTML file (e.g., "guessing_game.html") and open it on your smartphone using a web browser. You can then play the game by guessing the word based on the displayed pictogram clues. Good luck and have fun playing!