itch.io

Hi! The app was designed to use with flashcards on a real DS hardware. It does not work on emulator because it requires access to some filesystem interface which is not implemented in emulators. However, it runs on DeSmuME emulator (PC) with a specific setup to emulate R4 flashcards.

Good news! I found a way to make it run on phone emulators. You have to create your own NDS file that contains the flipnotes you want. Here's a drag & drop tool to do that (only desktop browser support for now):

https://notimplementedlife.github.io/FSPDSNitro

And here's the app running on DraStic emulator: