We're aware of an issue with Facebook purchases for all King Games and our team is on it. 🛠️ Hang tight while we fix things! You can still enjoy the game, and we'll keep you posted once it's solved.
I didn’t I could change the boosting artifact... I don’t have +2 boosters, only +1 and when I choose it, it adds another word so it has no effect. I guess I have to collect more stars to get the +2 boosters.