Hey people like my PS4 me and my son have an account each so he can't mess up my saves or delete my progress on games, with the vita is this not possible I have seen videos on using 2 mem cards for 2 users but need to restore the vita every time is there an easier way if possible? Also worried my son will start buying games from store as my details are on the psn , same again in his account in PS4 he can't access it

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