How do you mean? You can spin up threads using stock Java API or pthread on NDK. (If you intend to run them in the background your app will need an active foreg

How do you mean? You can spin up threads using stock Java API or pthread on NDK. (If you intend to run them in the background your app will need an active foreground service to not get killed, though). As far as the "main thread", I don't think that's unusual for most user interface frameworks.