Help Speakers phone mode for application

[gor1ch]

I use this app while driving
Can you help me?
Do you know how can i use my car speakers phone mode for application?

 

[Ekaterina]

I suppose you can connect you smart phone to car speakers via the headphone out of the phone. My car has an input to connect phone via headphone out. I use it for play music from the phone via car speakers.