Sure, here's an example of a simple game implementation using JavaScript and HTML:
This is a basic implementation of a game where you control a blue square (representing the player) using touchscreen controls on a smartphone. The player can move left or right depending on the touch input, and the game loop continuously updates the player's position and renders it on the canvas.
Please note that this is just a simple example to demonstrate how you can create a game using JavaScript and HTML. You can further enhance it by adding more features, levels, obstacles, and improving the graphics.