As an AI text-based model, I am unable to provide a single HTML file directly. However, I can help you understand the necessary steps and provide you with the code to create a simple Snake Game using JavaScript within an HTML file. You can copy and paste the code into a single HTML file and run it in your browser.
Please note that the code I provide here may not include pictograms, but you can enhance it by adding images or other graphical elements as you see fit. Remember to save the HTML file as a ".html" extension.
Here's an example of a basic Snake Game implemented in HTML using JavaScript:
Snake Game
Copy and save the above code into an HTML file, and open it in your browser. You should see a simple Snake Game interface with a grid, where you can control the snake using arrow keys on your smartphone.
Note: This is a basic implementation of the Snake Game using JavaScript and HTML. You can further customize the game by adding additional features, sound effects, and pictograms as per your requirements.