Unfortunately I am selling my PS Vita here soon. I have one concern I only have 4 physical games on the Vita but I have downloaded at least 5 other games on to the memory card as well. My question is can I leaved those games on the memory card with out my account information being stolen by the person that buys the Vita or should I just do a factory reset and re-format the memory card? I would like to leave them on there to be more of a selling point...