Sure! Here's a simple game implemented as a single HTML file with JavaScript code, using pictograms for smartphone operation. You can play the game by following the on-screen instructions. Please note that this is a basic example and can be further expanded and enhanced to create a more engaging gameplay experience.
To play the game on your smartphone, simply save the code as an HTML file, open it in a browser on your smartphone, and interact with the on-screen pictograms as instructed. The player will be represented by a black square, and you need to touch it to increase your score. The current score is displayed at the top-left corner of the screen. Have fun playing!