It can be done. It's just not comfortable to do, not especially fast, and drains battery. The google translate app that lets you translate pictures of text is a

It can be done. It's just not comfortable to do, not especially fast, and drains battery. The google translate app that lets you translate pictures of text is a cool example of this. Very cool, but I wasn't exactly inclined to pull it out every time I saw some text while traveling.