gt chat for Google Hangouts chat, call, gtalk

Free call and chat with your friends on Google or Gmail contacts.

Features:
- Login by your Gmail account using Google OAuth2.0 without storing your password
- Fast and easy to chat with your Gmail/Google friends
- Free call (VOIP call)
- Best voice quality and connect fastly
- Notify call and chat when app is running in background.
- Can test voice by yourself using our service "Call Echo Test"
- Protect your chat by passcode

Note:
- App can chat directly with official Goggle Messenger (Gmail web chat, Gtalk, Hangouts, ..) but to make call, both side must install gtChat

Coming soon:
- High quality video call
- Share photo, video, any files
- Funny Stickers

In our road map:
- Conference call
- Group chat
- Cheap call to mobile/PSTN

Privacy Policy: The app access to Google servers using OAuth2.0 protocol for authentication and authorization, so your password is absolutely protected.