There is provided a portable wand system including a wand applicator containing a surface treatment application element. The portable wand system further includes a wand controller subsystem coupled to the wand applicator. The wand controller subsystem includes a computer program, and a depiction of one or more surfaces to be surface treated with the surface treatment application element. The portable wand system further includes a user input button coupled to the wand applicator, an indicator element, a power assembly coupled to the wand controller subsystem, and one or more registration features to register the wand applicator against known location(s) at the one or more surfaces in the depiction. The portable wand system measures positional data of the wand applicator in real-time, and compares the positional data against the depiction, to indicate to a user when a predetermined surface treatment application is achieved for the one or more surfaces.