Unity project demonstrating how to create a very basic Flappy Bird clone in a limited amount of time. You can see the demonstration speech (in Spanish) in this Youtube video:
http://youtu.be/HCVjDFh3weg?t=18m9s
You can access the slides here:
https://docs.google.com/presentation/d/1pXoYw2XJh15jlrijdPsL-E8Fcoitu0DRwlScgE7MPK8