Sure! Here's an example of a simple game called "Egg Run" implemented as a single HTML file. The game is designed for smartphone operation and uses pictograms.
In this game, the objective is to control the egg using touch inputs to navigate it across the screen. The egg starts at the bottom center of the canvas, and the player can move it left or right using touch gestures. The egg is represented by a yellow square on the canvas.
Note that this is a simple implementation without any specific game logic. You can enhance the game by adding obstacles, scoring system, levels, or any additional features based on your preferences.