When the green flag is clicked the sprite (cell phone) would ask you what you would like to do with your contacts and phone. You would type A,B,C,D,E, and F as seen on the backdrop. The cell phone would continuously ask you the same question till you click the stop button.
SOURCE: http://www.clipartlord.com/category/home-clip-art/appliances-clip-art/mobile-phones-clip-art/smartphone-clip-art/ https://scratch.mit.edu/projects/99858414/#editor : Code for the binary to decimal conversion. Mrs. Eddy's starter code which the lists' commands are based off of: https://scratch.mit.edu/projects/134661254/\ Mrs. Eddy's delete code which the delete block is based off of: https://scratch.mit.edu/projects/135358898/#editor