Download this app if: you want a real-time speech translator.
Communicate is a speech translator, allowing you to seamlessly communicate in real-time with someone who does not speak the same language as you.
In one tap, you can speak in your language, and Communicate will translate into your chosen language.
Additionally, Conversation Mode allows you to...
What did he say? — Offers a few more languages than Google Translate does right now (spoken at least), so might be worth checking out.