This doesn't transpile. It cross-compiles to Android architectures using the NDK. You can see a very simple "hello world" example at the bottom of this article:
Oh thanks, I was reading about Skip and it seemed to be a transpilation tool. The new thing is Swift compiled to a native binary with the NDK and using a JNI bridge to interoperate with Kotlin APIs.
https://www.swift.org/documentation/articles/swift-sdk-for-a...