As a language model AI, I can help you create a simple game using JavaScript that can be implemented as a single HTML file enclosed in script tags. Here's an example of a basic game that you can play on a smartphone using pictograms:
Click on the potato to win!
In this game, you will have a simple image of a potato displayed on the screen. The goal is to click on the potato, and when you do, a message will appear congratulating you on winning the game. The potato image will also disappear. The implementation uses JavaScript to handle the click event and update the game state accordingly.
Remember to replace "emozi_all/potato.png" with the actual file path or name of the pictogram you would like to use for the game.