Sure! Here's an example of a simple merge game implemented as a single HTML file with JavaScript enclosed in script tags. This game can be played on a smartphone using pictograms to represent different elements.
To play the game, simply copy the above code into a new HTML file, save it, and open it in a web browser. The game will be displayed on the screen, and you can start playing by swiping or clicking on the play area. The goal of the game is to merge tiles with the same value to increase their value and score points. The game ends when there are no more possible moves. The merged tiles are represented using pictograms to enhance the user experience.