Looking to simply add a few notes to your home screen? Add Whiteboard Pro! The ultimate home screen note taking application! Write notes! Draw notes! Write AND draw notes! Speak notes! Share notes! Take notes on top of other applications! Pinpoint notes on your photos! 15 Widget Sizes. 1x1 1x2 1x4 2x1 2x2. 2x3 2x4 3x1 3x2 3x3. 4x1 4x2 4x3 4x4 5x5. List Widget.