Mahjong Heroes is a game for your phone and tablet in which you can play the classic Mahjong game. It has cute graphics and great gameplay. The goal of the game is to collect all the treasure chests and get as many special tiles as you can. Each time you open a new game, you will have a new set of tiles and boosters to use.

The boosters will help you get past those difficult levels. They will give you an advantage in the game, so you will get more points and collect more treasure chests. They are very useful and can be very helpful. 

You can use them on all the tiles. You don't have to use them on the same tile. You can use them on different tiles and they will still work. They are very powerful and will help you get past those difficult levels.