If you don't like using home hard key or hard key is broken Navigation Bar is very helpful for you.

Main feature :
+ Support home soft key.
+ Support recent soft key.
+ Support back soft key.
+ Last app switching.
....
You can show or hide navigation by swiping bottom edge very easy and quickly...

If you have any problem when using please give me some comments.
We will check and feed back as soon as possible.

Thank you very much for your using.