RTranslator is an open-source, free, and offline real-time translation app for Android. Connect to someone who has the app, connect Bluetooth headphones, put the phone in your pocket and you can have a conversation as if the other person spoke your language. Conversation mode The Conversation mode is the main feature of RTranslator. In this mode, you can connect with another phone that uses this app. If the user accepts your connection request: When you talk, your phone (or the Bluetooth headset...