Sure! Here's a simple game called "PictoBeats" where you can create music by tapping on pictograms. It is designed for smartphone operation using JavaScript. Below is the code enclosed in script tags that you can save in a single HTML file:
PictoBeats - Music Maker Game
Please note that you need to replace the `emozi_bear.png` with the actual paths to your pictograms, and `soundX.mp3` with the actual paths to your sound files. This code creates three pictograms, and when you tap on each pictogram, it will play a corresponding sound.
This is a basic implementation, and you can modify and enhance it further based on your requirements and preferences. Enjoy creating music with PictoBeats!