HOW TO GET THE SCREEN 2/SPLIT SCREEN FILTER ON TIK TOK

Is,,, does this video keep having a stroke when i try to watch it for anyone else? Its not doing this for other yt vids wh a t-

Hi, im looking for this filter but i cant find it, has it been deleted??

hello look I speak Spanish, and I see that your tutorial does serve to have the green screen on android but I really do not understand what you say because I do not speak English but you can talk to me in my instagram @ julianx. to explain why I could translate the texts of the video. thank you very much thank you