I used Fleex (https://fleex.tv https://fleex.tv) when I was a teenager. It worked really well. You can use it with Netflix and local files by fetching subtitles

I used Fleex (https://fleex.tv https://fleex.tv) when I was a teenager. It worked really well. You can use it with Netflix and local files by fetching subtitles from Opensubtitles, which is pretty smart