If you are on a small/medium device, you will notice the options-bar scrollable to the X coordinate like the example above. So, scroll the options-bar to get a bunch of awesome options.
The X and Y coordinates of your cursor / mouse that change while moving the mouse
Different types of path-width. Select any of the path-widths easily.
Widths are respectively 2px, 5px, and 8px
Show / hide the background grid.
Plus, enable / disbale auto sticking the start and end points of the active arm to the nearest point of the background grid
The result board on the right side shows all the result - total points, arms, and shapes (the shapes you selected to count).
Use left and right navs to see them live on the canvas
Simply draw by dragging your mouse on the canvas but plz:
Look at the example below:
The arm above looks like just one arm.
But, there are a couple of arms because I drew the arm at many times.
The arm above looks like just one arm.
And yes, it is just only one arm because I drew the arm at just one time
N.B. Not following the rules doesn't show the correct result :)