Sure! Here's a simple soccer game implemented as a single HTML file, using JavaScript and enclosed in script tags. The game can be played on a smartphone, and includes pictograms to represent the game elements. Please note that this is a basic implementation, and you can modify and enhance it further as per your requirements.
To play the game, simply open the HTML file in a web browser on your smartphone. You can control the player by tapping on the screen to move it up or down. The objective of the game is to prevent the ball from passing your player and scoring against you. The opponent will try to deflect the ball towards your side. Enjoy playing the soccer game!