Sure! Here's a simple implementation of the "Lego Runner" game using JavaScript and HTML:
In this "Lego Runner" game, you control a runner character using the arrow keys on a smartphone. The blue square represents the runner, and you can move it left or right using the left and right arrow keys. You can also make the runner jump using the up arrow key.
Please note that this is a basic implementation to give you an idea. You can customize and enhance the game further based on your requirements.