If you're looking to Download Kenometer on your Chromebook laptop Then read the following guideline.

Point your device at a work surface in the coreshed to tether the app's augmented reality goniometric template. Measure rock pieces by interactively aligning with the template. Where downhole survey data is available (i.e., hole plunge and trend), the app also provides stereographic- or 3d visualisation of the desurveying conversion to dip/direction.