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Word Lens is an augmented reality translator which uses the phone's built-in camera to identify text (such as a sign or a menu) and have the words translated to another language. It also includes a dictionary tool. The only downside is that the app sometimes struggles to "read" text in non-standard fonts. Word Lens is free on Apple's iTunes, but an in-app purchase is needed to enable translation capabilities. On Google Play, the free demo and the full translation-enabled versions are available.