This app provides the user with customization tools such as an RGB scale to customize the color of the canvas. There are also five different pen sizes to choose from to mix up the style of how you draw. There are eight different color options for your pen as well as an eraser which is programmed to match the color of the background. You can either slide the pen to create a line or tap the canvas to create a circle which matches the size of your pen. You can also type what you want for captions that will appear on the screen. Don't worry, if you make a mistake you can always use the eraser or press the clear button to start a new creation. Have fun doodling!