The Samsung Galaxy S8, S9, and Note 8 phones all have a button to invoke Samsung’s digital assistant, Bixby. If you don’t use Bixby, you can re-program that button to do something more useful.
This trick works on all Galaxy phones that have a Bixby button, including the Galaxy S8, S8+, S9, S9+, and Note 8. We’ll be using an app called bxActions to make it happen, so go ahead and grab it from the Play Store and let’s do this thing.