How to Work With Core Routines in Android?

For me, core routines win hands down just because of how easy it is to work with them. The more complicated part appears when you're starting to work with the spatchers. But I do know that we have several ways of handling this with the test dispatcher and others. And going back to my question, then, having experienced all three, where would you sit right now? All three, you mean like R H Stavvah, async tasks and core routines? Yeah.