Sure! Here's a simple game called "Flame Eruption" implemented as a single HTML file using JavaScript and enclosed in script tags. The game can be played on smartphones and incorporates pictograms for better visual representation.
In this game, you control a flame character using the smartphone's touch or arrow keys on a computer. The objective is to avoid hitting the edges of the canvas while the score keeps increasing. The game ends when the flame collides with the edge of the canvas, and a game over message is displayed.
Please note that this is a basic implementation of the game and can be expanded upon with additional features, levels, and graphics as per your requirements.