No real world scale.
The one texture image is simply cube projected, there is no UV mapping involved.
Uses edge split, which involves coincident vertices.
1 texture image.
No ngons as far as I know, but depending on the version of Blender you are using, if you apply the modifiers you may create some.
Comes with node setup and lighting, ready to render out the second preview image by simply pressing F12.
Rendered with BI.
Slightly different polycount because of applied modifiers and some fixing of the mesh.
Materials may require adjusting, glow effects will have to be re-made.
Origins all in one spot.
Object names may have been removed on export.
As far I know, texture image is not in power of 2 dimensions.