Sure! Here's an example of a simple game in which you can control a moving car using smartphone touch gestures. The car will move on a fixed track. You can control its speed and direction.
This code creates a game where a car (represented by a red rectangle) moves horizontally based on touch gestures applied on a smartphone screen. The `car` element is moved by changing the `left` CSS property to the current position of the touch event.
Please note that this is a basic example and can be further enhanced with additional features and gameplay mechanics as per your requirements.