For the webcam - how many times must you go throught the guitar playing to unlock the fap options/ are there other unlock requirements eg fame lvl?Answer 1- No you can't (maybe it's available in future update)
Answer 2 - Go to office and inside office you saw a girl which is setting on desk talk to her she ,she mentions about webcem ,after that go to your room and click on bed now you se an laptop icon click on it
After that again click on laptop icon and continue doing it until you get option like fap , ass ,pussy