Sure, here's an example of a simple game implementation using JavaScript and HTML, designed for smartphone operation. Please note that this implementation is just a basic template and can be expanded upon to create a more engaging game.
In this game, a square is initially displayed on the canvas. Every time you tap the square, it will level up and increase in size, and a new square will appear at a random position on the canvas. The game will continue to level up as long as you keep tapping.
Please note that this is just a basic implementation and can be enhanced with additional features, such as keeping score or introducing other game elements. Feel free to customize and expand upon it based on your specific requirements.