This is a little example for how to use walkman key as search key so with this u can use any app u want with that kay by just using an app that changes search key behavior
1.Using any file explorer with root go to /system/usr/keylayout/
So i tried to enable stereo in fxp115cm7 too and i succeed so in order to enable it u need to copy files from attachment and change their permissions ( need to be RW-R--R--) with root explorer for ex.. The files are from stock live rom and those a...
If u want to assign poweramp app to Walkman key the only option for now is to assign it as search key and then with app for example: LaunchKey assign an app to long press search key.