I'm using the Roku Remote app on my Android phone. While in Remote mode, the middle of the three bottom icons is called Channels. When I select Channels, a horizontally scrollable list called Recent Channels appears. I've observed that the order of this list is not affected by the recent selection of an app via the apps appearing on my home screen displayed on the TV with a Roku stick attached. Rather, it is a recent list of apps chosen from the list of Recent Channels itself. If I scroll to the right long enough, I see what appears to be all or most of my apps. The MGM+ app appears on my TV screen via the on-screen roku display near the top along with all my other apps. It does not appear at all in the Recent Channels list on my phone app. I made sure to logon to my Roku account via the phone app even though that isn't necessary to operated the phone app itself. What causes the phone app to learn what apps are available?