Too complicated!

Can you help me to know how subtitles work???

I purchased the Subtitles app for my iPad, but I don't know how tu run it???

When I put play, only can see the subtitles, but not the movie.

I don't know how to apply the subtitles to the movie or visceversa!!!

Can you help me to know how subtitles work in iPad???

I purchased the Subtitles app, but I don't know how tu run it???

When I press play, only can see the subtitles, but not the movie.

I don't know how to apply the subtitles to the movie or visceversa!!!

Does Subtitles app run with Hebrew subtitles too?