Enable Soft Keys... Without Any App

Enable Soft Keys Without Any App

How do I find myself in the power of the Android phone that has a soft key screen?
what is the soft key ???
Aaiye Screen Shot
g han inko soft keys kehty hain.
to dosto aaty hain Thread ki taraf...
..
4- Sb se Pahly Apka Mobile Roon hona Chahiye...
5- Root Explorer Download kr k Open krlen..
6- Us k Baad App Root Files me Jayen..
7- System Folder Open kren..
8- Build.prop Wali File Text Editor me open karen..

6- Us me Ye Text ek new line bana k Paste kr k Save karlen...
..
qemu.hw.mainkeys=0

Ab Apna Mobile Restart karlen...
Lo G Apka Kam Hogya.....
...
Agar Thread Achi Lagy to Thanks Ka Button Zaroor Press krna..
Alllah Hafiz