Google Translate's live camera translation feature is still one of the most impressive features I've seen in a mobile app, and one of the most convincing reasons that Google Glass should be resurrected. Google Translate's 5.7 update, in addition to fixing a sharing bug with Facebook Messenger, adds support for instant English to/from Japanese translation via the camera.
Left, Center: Normal camera translation; Right: Instant camera translation
If you have never used it, simply download the offline translation pack for a given language (in this case, 42MB for Japanese), tap the camera icon in Translate, and make sure the eye icon at the bottom right is green.Read More
Google Translate adds instant camera English/Japanese translation [APK Download] was written by the awesome team at Android Police.