I have two lines and stop a movie or game for a while. What am I?

I have two blades and cut paper or string. What am I? Solve the riddle → I have a special power to pull metal close. Often I sit on the fridge, holding notes in place. What am I? Solve the riddle → I write and draw. The sharper I am, the better I work. What am I? Solve the riddle → I have a bright eye, but I cannot see. I help you find things when it's dark for me. I need batteries to shine. What am I? Solve the riddle → I have no voice, but I follow you wherever you go. I mimic all your movements, but I am not your twin. I disappear in the dark. What am I? Solve the riddle →