The possibilities are endless. Feature highlights: Drawing and Designing - Line weight - Multiple colors (More can be purchased in app) - Line Types ( Solid, Dashed, Dots ) - Square and Circle Shapes - Line Snap and Ortho - Coordinate tool tips Text - Add text to your drawing - Select from different fonts, sizes and colors Paper Types - Resizable Grid. - Isometric Paper Grid - Blueprint paper Saving and Exporting - Save drawings and come back to them later. - Save to Camera Roll as Picture - Email as PDF - Print from inside Graph Paper Help documentation included to show you how to use features.