Sure, here's a simple implementation of the Don't Touch The spikes game using JavaScript and enclosed within a single HTML file. The game can be played on a smartphone using pictograms to represent spikes and the player character. Save the code below in an HTML file and open it in a web browser to play.
Please note that the code above is a simplified implementation of the game and may not include all the features or optimizations you might expect in a complete game. Feel free to modify and enhance the code as per your requirements.