Every day I feel close, but I never truly arrive. What am I?

I have apps and a screen. You can play games, send messages, and make calls with me. What am I? Solve the riddle → I am made of black lines. A scanner reads me at the store. What am I? Solve the riddle → I help you calculate quickly with my buttons and numbers. What am I? Solve the riddle → I wear a crown, but I’m not a king. I’m yellow, but I’m not a banana. What am I? Solve the riddle → I am so fragile that a single word can destroy me. What am I? Solve the riddle →