I help you play, learn, and talk to others. I have a screen and a keyboard. What am I?

I can wave high in the wind, but I have no wings. I show colors for all who look. What am I? Solve the riddle → It has a front and a back, but no face or back. What is it? Solve the riddle → I have a shell but no head. You can boil me or bake me in a cake. What am I? Solve the riddle → I have long hair but never need to comb it. I help you clean without getting dirty myself. What am I? Solve the riddle → What always comes, but never truly arrives? Solve the riddle →