A glitch is a typical error or fault in the game. It can sometimes affect your statistics, your achievements, scores, stars, lives, levels, and/or even your play.
Glitches sometimes happen when your computer, iOS or Android are having slow performances. Glitches are another type of error.
(If you find a glitch, please report it right away corresponding with the category below with EVIDENCE, E.G. PHOTO OR VIDEO).