Sure, here's a simple rock-paper-scissors game implemented as a single HTML file using JavaScript and enclosed in script tags:
Rock Paper Scissors
This HTML file sets up a simple rock-paper-scissors game that can be played on smartphones. It includes pictograms for the choices (rock, paper, and scissors) and displays the result of each game played. Simply save this code as an HTML file, and you can open it in any web browser to play the game.