1. A system for analyzing a coating test on a test surface with a portable electronic device having a camera, the system comprising: a hood at least partially open at a bottom side and fixable with the portable electronic device at an opposing top side thereof so that the test surface is substantially parallel with the camera of the portable electronic device when the hood is placed onto the test surface, wherein the test surface contacts and extends beyond the bottom side of the hood; at least one lamp fixed with an inside surface of the hood operable to project light towards the bottom side, a power source and a switch further included with the hood for selectively applying power from the power source to the at least one lamp; a set of instructions resident on a memory of the portable electronic device that, when executed by a processor, perform steps comprising: a) capturing an image of a color input area (CIA) of the test surface; b) capturing an image of an area of interest (AOI) of the test surface; c) comparing the AOI to the CIA to determine and display a percentage of the coating that has been removed in the AOI vs. a total area of the AOI; and d) displaying both the CIA and the AOI on a display of the portable electronic device.