posh_somme

Streaming services do not offer you what you like forever, they offer you what you didn't know about for the amount of time you need to watch it. So these are two different things

Yeah, all in one apps are now getting built every other week

I've been learning Japanese for just over a year now, and its a community that might have the highest concentration of amazing free learning apps with sentence mining capabilities, many of which do things very similarly to what you're building. Have you tried some of these?

asbplayer Manatan Yomine Anki Miner AnimeCards Nagare

These are just for video, there are other similar solutions for games, manga and ebooks, and some of them are all in one

The Japanese learning community has wholesale adopted the Krashen school of thought, tons of us learn almost exclusively by comprehensible input, myself included. I spent about 50 or so hours on grammar at the start, a list of 1,500 words and the rest has been purely reading and watching what I want and playing video games. At about 1000 hours total since last June I'm able to read a lot of everyday Japanese without much difficulty. I plan on taking N2 at the end of the year.

This is very typical Twitter usage. Few people actually have blogs.