Sure! Here's an example of a simple game implemented as a single HTML file using JavaScript and enclosed in script tags:
Emoji Adventure Game
😀
In this game, you will see a single emoji (a smiling face) displayed on the screen. You can click on the emoji, and an alert will appear saying "You clicked the emoji!" The emoji's position is also randomized initially and whenever the window is resized.
You can customize the game further by adding more functionality, levels, or incorporating game logic based on the user's interactions. But this example should give you a starting point for building a simple game using pictograms (emojis) in a smartphone-friendly format.