Does the Rust Lang APP run on HarmonyOS?

Does the Rust Lang APP run on HarmonyOS?

What do you mean by "the Rust lang app"?

Here's the list of supported platforms:

https://doc.rust-lang.org/rustc/platform-support.html

There is no (official) rust lang app however it should be possible to setup termux on harmony os and use rust there.

Isn't that just android?