Yeah its kinda weird because android is cheap and mostly people buy it because they don't have much money,meanwhile pc mac etc are more expensive than android
Its like the developer want poor people to pay but its free for rich people
It's a deterrent for minors that may attempt to download the game. Android devices are much more accessible than any other device including Windows PCs which are usually shared by a family anyway. The notion that MyBird is spewing is completely baseless and untrue.
