Well, the thing is players don't realize that a great deal of the success of such a company producing these kind of apps is precisely not telling how the game works and what are the behaviours of the game in response to most things you do, including the exact effects of the boosters you are offered to buy with the famous premium currencies.

These "games" represent all that's wrong with games and of course we are surprised that there are people out there volunteering to be part of it. Many hypothesis cross our minds.