This android library allows you to listen to the phone's text-to-speech to read a passage out loud whilst you can read the individual phrases on the screen as it is being spoken.
AndroidMaryTTS is an open source Android offline text to speech application, built on top of MaryTTS. Can use own HMM-based voice in any android application with using this lib.
Synthesizes speech from text for immediate playback or to create a sound file.
Library that contains the same functionality as Google Translate, it allows you to translate text and speak several languages.