Augmented Reality Translation App
I was so surprised when finding out that the Google Translator app has the AR function to translate anything on the fly by scan text on camera.
It is very easy to use. Users need to choose the two languages for translation, then hit the camera button. It is impressive how quickly the system can recognize the characters even of different writing systems like Cyrillic and Greek, not only Latin. The quality of the translation depends on the number of words that are recognized since the translation algorithms use the context to improve it. In any case, even if not all the words are recognized or organized in a proper sentence, the user is able to at least instantaneously get a clue of what might be written or the essential meaning of the message.
Another example of AR translation is for sign language. Although it is only a working prototype and needs a lot of improvements, the concept of translating sign language into spoken English is promising for people to communicate with each other.