Sure! Here's an example of a clicker game implemented as a single HTML file using JavaScript. The game is designed for smartphone operation and uses pictograms.
Clicker Game
👆 Tap here to earn points! 👆
Score: 0
To play the game, open the HTML file in a web browser. Every time you tap or click on the "Tap here to earn points!" area, your score will increase by 1. The current score will be displayed below the click area.
Feel free to customize the game further as per your requirements and add additional features or graphics using JavaScript and HTML/CSS.