Sure! Here's an example of a simple game where you can control a bird icon using smartphone operation. It is implemented as a single HTML file enclosed within script tags:
🐦
In this game, the bird is represented by the
🐦 emoji and can be controlled to move up or down. By using the arrow keys or touch gestures on a smartphone, you can make the bird's position change accordingly. The bird moves in increments of 10% of the viewport height.