Does anyone know of an bluetooth app for the Samsung Galaxy S4 phone.

[AC Question]

I think I am beating a dead horse here but, is there an app that I can use to make a 'handfree bluetooth no data connection locked phone' phone call while I am driving. S Voice may be nice but, all I want to do is make a phone call not search the internet. I can use the S4 no problem in my wife's Nissan Rogue so I know it can be done. I've pretty much resigned myself to the fact that I will probably have to buy a gps with bluetooth capability just to make phone calls while I drive.d