Hi Ivan Drago,
Thank you for your comments.
Please note that the save to vocab feature is only activated when you highlight a phrase, you just have to click on the "+" to save it. Unfortunately, keeping the pop up always available would probably take up space for you to read or follow the lesson; but I will forward your message to our product development team for their review.
After a word/phrase has been saved; you will see a blue underline for that word/phrase, and if you hover the mouse over the word/phrase, you will see the meaning, indicating it is already part of your saved vocab list.
It is not possible to save all the phrases into My Vocab, at once, I apologize. The feature was designed to do this individually.