I had the pleasure to have my Unity scene "Bird House" featured in the Substance day at the GDC 2018 !
It's quick but you can see it in the video at 18min30.
You can also see it on this page :
https://www.allegorithmic.com/blog/here-are-substance-day-gdc-keynote-announcements
And in the Asset Store page of Unity :
https://assetstore.unity.com/substance-in-unity
I wanted to thanks the 2D Artist Jordan Grimmer who created this awesome environment :
https://www.artstation.com/artwork/qJbNe
Thanks to the Unity team and of course Allegorithmic