If you do not own a PS Vita and just want to play Battle of Z style gameplay, here are better (legal) options:
Features over 70 playable characters , including rare additions like Bills (Beerus) and Whis.
If you do not own a PS Vita and just want to play Battle of Z style gameplay, here are better (legal) options:
Features over 70 playable characters , including rare additions like Bills (Beerus) and Whis. dragon ball z battle of z rom ps vita link