Is it possible to play music during calls so that the partner can hear it ? Android

Question

I\'m trying to make and app like Call Cheater(Originally developed for Symbian OS)

Is it possible to play a music during a phone conversation where receiver and call

Answer 1

Yes it is possible in Sony ericssion xylophone w20 .I have got this phone in 2010.but yet this type of phone I have not seen.