https://www.amazon.com/dp/B084VT9WBK/ref=cm_sw_r_em_apa_i_lHhwEbT848G0F
amFilm > Whitestone
Yes, however if for some reason you would like to go back to the stock film that comes on the phone I hear you can just call Samsung and they will send you some for free. But yes you must remove it prior to application of the amFilm Ultra Glass.
https://www.amazon.com/dp/B084VT9WBK/ref=cm_sw_r_other_apa_i_KYqyEbYCQWWHQ