Its not 100% perfect, but if you are at a train station, wondering where to go, it will help.
You don't need connection to use the app.
This is a snap I just took of a document on my desk. The translation isn't perfect, however, it gives a fine representation of what you are looking at.
Like I say, takes some of the fun away from ordering meals at a restaurant (I love ordering stuff without having any clue of what I am ordering). But if you are stuck it can help.
Blacky