I made it to a level where you need to use 4 fingers and can't figure it out. This is level [0] could someone give me a hint or tell me how you solved it on mob

I made it to a level where you need to use 4 fingers and can't figure it out. This is level [0] could someone give me a hint or tell me how you solved it on mobile? [0] https://imgur.com/dxC5J0e https://imgur.com/dxC5J0e