You'll see in the attached image I get a suggested app at the bottom in app switcher. So far I've only noticed it with this Mercedes app when I'm in my car and the bluetooth is therefore connected to my car.
I’m not positive but I think this will remove it. In settings, scroll down until you find that app, select “Siri and Search”, and switch off “suggest app” and “suggest shortcuts for app”.
I’m not positive but I think this will remove it. In settings, scroll down until you find that app, select “Siri and Search”, and switch off “suggest app” and “suggest shortcuts for app”.