Good Translator - 99 Language is a free voice translator app for Android phones that can translate from more than 100 languages. The app is a combination of speech recognition and machine translation. With speech recognition, you can translate by simply speaking to the app in your desired language.

It supports English, French, Spanish, German, Italian, Portuguese, Russian, Polish, Korean, Dutch, Arabic, and many other languages. It has been designed to translate from audio files as well as from written documents. It also has the option of translating from audio and video files.

This translator app also has the option of translating in the background.