The details you've provided suggest you're looking into specific aspects of a Nintendo Switch game related to Princess Peach. If "Princess Peach: Showtime!" is indeed a game, there might not be much information available yet. For NSP files and game IDs, these are more related to the technical and distribution side of Nintendo Switch games.
If you’d like, I can:
Offers casual, rhythm-based baking minigames [1]. Princess Peach Showtime- NSP - frdl - ID- 01002...
In the end, Princess Peach Showtime is not just a game about a princess in a theater. It is a game about the theater of identity itself—how we perform roles, how we choose which roles to embody, and how the act of choosing can be a form of liberation. When Peach dons her detective coat or ties on her patissiere apron, she is not pretending to be someone else. She is demonstrating that the self is not fixed, that courage can be worn like a costume, and that the brightest spotlight belongs to whoever steps onto the stage first. After forty years of waiting in a castle, Peach finally raises the curtain on her own adventure. And the applause is well deserved. The details you've provided suggest you're looking into
movie but aside from a quirky DS game released in 2005 Peach is often overlooked as the main character much to the disappointment. What's It Like? Princess Peach Showtime! Review - SURPRISINGLY GOOD If you’d like, I can: Offers casual, rhythm-based
The game carries an from the ESRB , citing "Fantasy Violence" as the primary content descriptor. Technical Details and Availability