Sure! Here's a simple game implemented as a single HTML file using JavaScript. The game is played on a smartphone and uses pictograms to enhance the visual experience.
To play the game, you need to copy the entire code snippet into a blank HTML file and open it with a web browser. The game will then be playable on your smartphone. The objective of the game is to control the smiley face using the arrow keys to move it within the canvas boundaries. Enjoy the game!