Wa support dev wasm4 game
Wa is a wasm language, the latest version support wasm-4 target. snake example: 
https://github.com/wa-lang/wa/blob/master/waroot/examples/w4-snake/src/main.wa

![image](https://github.com/user-attachments/assets/12fa8113-d527-41ea-ae89-27da09d4d471)


Blog(chinese): https://wa-lang.org/smalltalk/st0046.html