When I was messing around with Android image files, I found that several of the text files had bits of Chinese in them, which didn't display properly in a text editor. I discovered that if you open the file in Google Chrome and manually select a Chinese character encoding, you can translate the text. Here's a video showing it in action:
Obviously, you need to know what the encoding actually is, but you should have a pretty good idea based on where the file came from!
Here's the three files shown in the video, if you want to try them: