Use S Translator in your Galaxy S4 to translate text into other languages.
Tap S Translator on the Applications screen.
Using Galaxy S4 S Translator
Set the source and target languages, enter text in the input field, and then tap .
To add a language pair to your favourites list, tap .
To send a language pair to others, tap .
Starting a conversation with the translator in Galaxy S4
Tap the buttons at the bottom of the screen to communicate with another person via spoken translation.
Tap Speak for your language, and then speak into the microphone. Galaxy S4 will translate what you say. Tap in the target language field to let Galaxy S4 read the translation out loud.
Then, tap Speak for the language of the person you are talking with and let the person reply in their language. Galaxy S4 will translate what they say. Tap in the source language field to let Galaxy S4 read it back to you.