Interesting idea! Watch does not have system browser, there is kinda something like web view (I think) and also some browsers exist on App store, but integrating this with digital crown and gyro would be far harder.
Also debugging would be pain.
And most importantly, performance would be IMHO terrible.
I haven't even though about using WASM, I prefer native code as much as possible. But WASM is actually cool technology in my book :-)
Yeah, you can get a web view by asking Siri to search for something. I was able to get my JS game (https://stardust.dev/) running on it[1], but it was pretty slow (though it's not particularly well optimised, nor does it use WASM).
Also debugging would be pain.
And most importantly, performance would be IMHO terrible.
I haven't even though about using WASM, I prefer native code as much as possible. But WASM is actually cool technology in my book :-)