App has suddenly become so laggy it is literally unusable. Not sure what happened. Used to be my fave.

Will update when adjusted but for now this game is entirely too unbalanced. Unless paying to play, it is nearly impossible to complete sticker sets. Trading is too easy to scam. Suggestions to developers to improve: 1)Guarantee each pack provides 1 new sticker within a certain commonality unless all of that star level are already owned 2)Make trading require a sticker from each player and be confirmed once stickers are selected by both parties before executing 3)Randomize rare stickers given