Group online lessons are a great way to learn piano more gradually and in an encouraging environment. Playing piano with group members is rewarding and a fantastic way to share your desire to learn piano.
Resources:
https://www.rastallmusic.com/donotdelete/rastall_books2.php
Apps: Staff Wars Flash Note Derby Note Rush Noteworks
https://www.makingmusicfun.net/
https://trainer.thetamusic.com/en/node