What are the Boosters and how they work?

There are 3 types of Boosters in the game: Basic (Single Daub, Chest),  Advanced (Double Daub, Double XP), Unique (2x ALL, Instant Win)

Double Daub	Double Daub - adds to EXTRA Daubs to each card.
Single Daub	Single Daub - adds one EXTRA Daub to each card.
Instant Win	Instant Win - Instant Bingo
Сhest	Chest - adds a chest prize chance to each card.
Double XP	Double XP - doubles the amount of XP for every card int he round. Available only once per round.
Double All	Double All - doubles EVERYTHING earned in a round. Available only per round.