Sure, I can help you create a simple game using JavaScript, enclosed in script tags within a single HTML file. Since you mentioned using pictograms and smartphone operation, I'll create a guessing game where the user needs to guess the word represented by a pictogram.
Here's the code you can use:
Pictogram Guessing Game
Remember to replace `emozi_all/pictogram.png` with the correct path to your pictogram image, and ensure you have pictogram images saved for each word in a specific folder (`path/to/your/pictograms/`).
Once you open this HTML file on a smartphone and interact with it, you will see a pictogram image with an input field to enter your guess. After clicking the "Submit" button, the game will display a message stating whether the guess was correct or not.
Note: The actual implementation of the game may require additional code, styling, and assets based on your specific requirements. The provided code is just a starting point.