Subtitles for Language Learning (Prime Video)

I love being able to drop ion srt files. I wish it could offer a longer delay than 3 seconds though. Is that the max? I also wish it could translate from Japanese subtitles to English like the Netflix Language Learning extension. If it can, I have no idea how to do it. I've tried really hard and cannot get it to do that.

Thanks a lot to the developers of this app! I am so happy that finally there is a app for Amazon prime video user to study English with. Just tried and works perfectly.

It's great to have subtitles many different languages but I wish it didn't show the subtitles so early. It's like 5 seconds early and makes it hard to watch and read.