Pony references an episode 5 of Hero Horse, which may be a reference to the Star Wars Saga [1]
The Hero Horse Cards are a reference to the Pokemon TCG [2]
This episode shares the same plot as a Total DramaRama episode called "A Licking Time Bomb" were both duos (Annie, Pony, and Owen, Noah) accidentally create a licked product that became a best seller and both Annie and Owen have trouble coming clean.