Sure! Here's an example of a simple game where you have to jump over obstacles and try to get the highest score:
To play the game, open this HTML file in a web browser on your smartphone. The game will display a player as a black rectangle at the bottom of the screen. Tap anywhere on the screen to make the player jump over the obstacles, which are represented by gray rectangles moving from right to left.
The objective is to jump as many obstacles as possible and get the highest score indicated at the top left corner of the screen. Enjoy the game!