The AstroBerry site has a written tutorial.
Http://www.astroberry.io
AstroBerry, EKOS, and INDI must know where it is first for a session to be fruitful. If establishing AstroBerry where it is, the next step is to tell AstroBerry and EKOS what equipment you are using for your session.
If you live where the developer lives, Warsaw, PL, then you don’t have to do anything location steps. Every where else in the world must tell AstroBerry, EKOS, and KSTARS the session’s location.