Sure! Here's an example of a simple merging game implemented as a single HTML file using JavaScript. The objective of the game is to merge pictograms of matching colors to form a higher level pictogram. The game can be played on a smartphone.
Merge Game
Note: This is just a basic example to demonstrate the concept of a merging game using pictograms. You can enhance the game further by adding more levels, adding a scoring system, and incorporating additional game mechanics.