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 passcodeNote:- App can chat directly with official Goggle Messenger (Gmail web chat, Gtalk, Hangouts, ) but to make call, both side must install gtChatComing soon:- High quality video call- Share photo, video, any files- Funny StickersIn our road map:- Conference call- Group chat- Cheap call to mobile/PSTNPrivacy Policy: The app access to Google servers using OAuth2.0 protocol for authentication and authorization, so your password is absolutely protected.