Sure! Here's a simple game called "Swan vs Eagle Battle" implemented in a single HTML file with JavaScript. The game can be played on a smartphone and uses pictograms for visual representation.
Swan vs Eagle Battle
To use this code, save it with a .html extension and make sure to have two image files named "emozi_all/swan.png" and "emozi_all/eagle.png" in the same directory as the HTML file. The game starts with a swan image and an eagle image. By tapping/clicking on the swan, you can increase your score when it hits the eagle, which moves randomly around the screen.