I've always thought a great feature of shows/movies with subtitles would be to the ability to display multiple at the same time. It would really be useful for

I've always thought a great feature of shows/movies with subtitles would be to the ability to display multiple at the same time. It would really be useful for learning assuming the subtitles are translated well. Right now I've been able to do something with my own content by merging two subtitle files. Maybe you could also add a transliteration of the characters if its a language like Chinese.