- Using any file manager that has root access, go to System directory.
- Edit build.prop file in a Text Editor.
- Scroll to the end and on a new line input:
- Save and Exit. Then Reboot.
qemu.hw.mainkeys=1I have tried on my Xperia arc S and worked well but buttons hide the bottom of main screen icons.
There is another way to use onscreen buttons. I found a really great application on google play. Overlay launcher starts a small line-button on bottom screen. You can define one touch to go back, two touch to go home and stay touch if you want to get menu.