Typically, it does. The Snap app is designed to give you some sort of visual or textual indication that you've remixed a story. For example, there might be a special icon or a message that pops up.
A 'fantasy remix story' is a story that combines different elements of fantasy in a new and unique way. It could blend various mythical creatures, magic systems, and fantastical settings from different sources to create an entirely new narrative.
Well, to remix a story, you need to start by understanding the core elements of the original. Then, you can add your own twists and turns, maybe change the setting or the characters' motivations.