Download this free app to listen google hangouts chat messenger messages. Perfect as a hands free driving mode hangouts chat reader, no need to reach or view your phone, just listen to the voice of your hangouts messages.
• Listen to your hangouts chat messages in incognito mode and and go to hangouts when you're ready to reply.
• Your hangouts chat messenger app status is hidden while you listen to your hangout messenger messages.
• Speak aloud your hangouts contacts for nobody, only for the selected contacts or groups or for everybody.
• Settings to speak group name, hangout messenger multimedia messages duration, emoticons,stickers or emojis.
• Privately listen your hangout messenger messages.
• Download Google hangouts chat messenger app first and then use Talking hangouts to listen to your hangouts chat messages.

Disclaimer: Talking Hangouts is not in any way officially connected with Google hangouts.