Body Label/ Name, Centre and Position can be shown using Preference toolbar as shown in video below

Enabling and disabling grid:

Grid helps create body and joints precisely as body snaps its end points on grid when it's open. See the below video to understand,

Paint/Pen tool:

To write, paint, rub and brush on canvas, SimPHY has this tool at central upper part of canvas. When clicked it opens up small toolbar as shown