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papes_on Interactive λ-Reduction

The author, Daniel Augusto Rizzi Salvadori' and Github user, 'https://github.com/danaugrs' align. Couldn't comment on the actual content, though.

papes_on Glasses-free 3D using webcam head tracking

I remember this being done for a DSIware game released ~2010 - I couldn't find much footage apart from this quick clip from a trailer.

https://youtu.be/4zZfsyHEcZA?si=BE2I991zEVxPEt9F&t=57

Seemed to have some different names depending on region (Looksley's Line Up, Tales in a Box: Hidden Shapes in Perspective). I recall it working very well at the time.