Sure, here's a simple implementation of a billiards game that can be played on a smartphone using pictograms. The game will be implemented as a single HTML file with JavaScript enclosed in script tags.
In this billiards game, the player controls the movement of the ball by tilting their smartphone. The ball will move in the corresponding direction based on the device's orientation. The game uses canvas to draw the ball and updates its position based on the device's tilt.