Oh okay that's actually good feedback; as designers we often take things we understand for granted and it's not always the case for new players, so thank you!
Totally agree with you ! I don't know if worth the effort but maybe making domino from the hand glow first THEN glow from the arm to suggest to drag from hand to arm, or something like that, but as I told you, I might have skimmed the tutorial a bit too quickly, so the glow thing would be to keep in mind in case other people give you the same feedback :)