Voice description in "gps options" screen


i try to run voice description of functions in “gps options” screen, how can i do it?


Your question is not very clear.


thank you Piter, i try do it like this, its working very strange, from time to time its working but anysecond time not working, after that was add Run in back ground string, but its work same, nothing change. May be its unpossible, play sound in system places of android? gps_audio