Instagram, Facebook, and google website overlay

You may be able to add some kind of overlay into these apps, and more, similarly to the google extension such as rikaikun, where with the press of a keyboard button, you can show words and there translation straight from the google page so you wouldn’t have to transfer the entire document into language reactor. This could also be used in addition to the streaming services on Netflix, and YouTube for example since my entire page is in Japanese you’d be able to click a word and have it translated