Download an experimental 2.8 build from builder.blender.org/download/
Yes, Clay D'oh is is compatible with both Cycles and Eevee rendering engines.
You need to apply scale.
Select model. Hit 'Ctrl+A'. Select 'Scale'.
No, the shader uses 'object' texture coordinates, thus, you need not worry about UVs.
Yes, with the studio setup. :)
Yes, mostly. Everything except the fingerprints is procedural.