[Q] One handed navigation bar module/app topic

Hey guys! So Ive been enjoying my Z ultra for a while now and I was wondering if there is an app or an xposed module that makes the soft keys come closer to the center to make it a bit easier for one handed use. It is a behemoth phone but I manage to use it one handed most of time with gestures and tweaks here and there but can't seem to find an app for this. Can any body help:)