The debate between physical and virtual navigation buttons and their respective benefits has been going on for a few years now. It looks to finally be settled, with the Samsung Galaxy S5 being the only current-generation flagship Android phone that has yet make the switch to on-screen buttons.
The main draw to virtual navigation buttons is their flexibility. When a keyboard is in use, the back button becomes a down-arrow, for instance. And many root apps have been made that can tweak the look and functionality of these buttons.
None have taken the tweaking of these buttons quite as far as... more