What does "On Friday, Jenny says" mean in English for Spanish?

In English for Spanish, "On Friday, Jenny says" means:

El viernes, Jenny dice

Listen to "On Friday, Jenny says": (If you have an HTML5 enabled browser, you can listen to the native audio below)

This is a phrase that is used in the GamesForLanguage English for Spanish Language Game in the following scenes:

• English for Spanish 4, Level 2, Scene 5