Samsung is reluctant on giving the navigation gestures. But xda navigation gestures is a prettt good tool to overcome that. it replaces the android nav bar with a gestures pill. just like the iphone x. if you don't like it, you can revert it back as well.
Follow video below to install it on your smartphones.
https://youtu.be/xGMxouqPWZI
Dont forget to like share and subscribe if this works for you.
