Hello,
Yes, the AnKing step deck will help you improve your info in general as well as progress in Step 1 studying.
You should aim to do it system by system since there are so many flashcards, its impossible to do it randomly.
You can see one study method you can follow here: 🤝 Subscribing to a Deck
2 hours daily is a good starting point, you can definitely do a couple of videos and unlock 100 cards a day (which is recommended)