Andrawid

Replace your paper-sketchbook with this digital canvas. Draw with different colos and pen-widths. Save your images to sdcard. Use orthogonal lines to sketch ground plans. Use the magnetic snap-option to connect lines easy together or draw closed paths like squares, circles and triangles.
Draw together with your friends onto the same sheet of digital paper with the live-sketch-option.
Use this app or go to http://www.mad5.de/draw/ to connect as many people as you like to the same canvas.
Use it to draw to an audience through a beamer-screen.