Anyways, I feel that my account was wrongfully banned. Although the game was not downloaded from Playstore, it was still downloaded from a proper appstore preinstalled in his phone. I'm gonna try appealing again and see if the GM can be reason with.
My account just got permabanned because my lil brother didn't download the game from Playstore, I mean, his phone doesn't even have a Playstore...
I have been playing skullgirls for a long time and this is just frustrating...