A lot of Advertisements. There is even an Advertisement to test to show their sounds and music off that can't be turned off. I attempted this game result in somebody wrote in review "NO Advertisements" & that is VERY UNTRUE. This game is compatible with all gadgets: desktop, tablets and https://birdmatchmastergametop48024.izrablog.com/28579368/getting-my-bird-match-master-game-multiplayer-to-work