The filter test links have expired :(
AR spark download link- https://sparkar.facebook.com/ar-studio/
my Instagram- https://www.instagram.com/medha.bee/
Facebook page- https://www.facebook.com/me...
[NEW UPDATE]
This tutorial version was created a long time ago, some things have changed and are no longer working.
However, I have provided a new version for it.
You can download it here.
https...