What is Best Friend / Crush widget in Locket widget TestFlight app?

i'm just going here through the locket widget test flight which you can request access to in the updated locate widget app and they have some feature some early feature which is not available to everyone yet which is called best friend slash crash widget but i don't know how to use that so if i added locket widget i don't see best friend crash widget here um so and then if i just go to lock it here i also don't see that in the menu so yeah if you know how to use it just leave some comments below i would be curious to see that