The Google Translate app is about to get a lot more powerful. In an update released today, Google is adding dozens of new languages to some of the Translate app's most powerful features, and smoothing out the app to make it friendlier to slow connections. In particular, the update makes Translate's visual translation features significantly more powerful, letting mobile users translate 37 languages via photo, 32 via voice, and 27 through real-time video. Today's changes are updates to two features added to translate back in January: a real-time video translation feature called Word Lens and a conversation feature that translates bilingual speech in real-time. The Word Lens feature lets you point your phone's camera at a sign or any other text and have it translated into another language, with the translation appearing immediately on your screen. It's designed to work entirely offline, without making any queries to Google's servers — convenient for those b...