I play this game called Vainglory, basically a MOBA. I usually only play it on the weekend and experience a frame drop on the first day, but this time, there was a 3 week gap between each time I played. (During this time I don't use my iPad either). There was a HUGE frame drop and is it because I didn't use my iPad for a long time?
Read more:
Does not using your iPad make it slower? (I have an iPad 2)?