What if Samsung add slide or swipe in the now bar navigation which is now integrated in many Samsung apps .If Samsjng add that features it will be easy and relevant and also looks modern to switch between them .Like in Samsung message phone and other...
Add a slider on the now bar navigation on the downside of an samsung apps like message phones and all.It will be so easy when we can go to other options or page by sliding instead tapping, it will look so much modern and clean