Don't worry, no ponies in this one. Maybe they'll be added later, I dunno, but that's for part 2's creator to decide.
This tennis is with a fellow admin of the steam group, FilmingIsMagic. Springwise. Go check his channel:
http://www.youtube.com/user/SirSpringWise/
Also, here's the Steam group if you want to join for ponies and good stuff:
http://steamcommunity.com/groups/FilmingisMagic

Source: http://www.youtube.com/watch?v=7E0ot9iJm_k