Sure, here's a simple game implemented in a single HTML file that you can play on a smartphone. It involves an alien asking for Reese's Pieces and you decide whether to give them or not using pictograms. Remember to enclose the JavaScript code within tags in your HTML file.
In this game, an image of an alien is displayed along with two pictogram buttons, one for giving Reese's Pieces and one for not giving Reese's Pieces. When you click on either button, the game provides a response message based on your choice. You can update the image paths to your own pictograms by replacing "emozi_all/game.png", "emozi_chicken.png", and "emozi_rabbit.png" with your own image paths.