Recent content by galaxy 3

please help i downloaded play store 3.10.10 as apk it doesn't ask for authentication anymore, but it only opens on the category and everything its blank

i cannot acces the play store it gives me this every time " authentication is required. please sign into your google account" i just got my s3 about 5 days ago i have tried everything ; restarted the phone ,cleared the data in the google account , made a new account but nothing seems to work...