By changing your console's DNS settings to point to Sudomemo , you can upload and browse animations directly from the original Flipnote app.
Historically, Flipnote was exclusive to the DSi because it required the DSi's faster processor. However, the homebrew tool nds-bootstrap recently added work-in-progress support to run Flipnote on the original DS and DS Lite. Flipnote Studio Rom Nds Download
If you are looking for old animations, the Flipnote Archive by Sudomemo has preserved over 44 million original files from the Hatena era. Essential Tools & Files FSPDS by NotImplementedLife - Itch.io By changing your console's DNS settings to point
Since the official store is gone, users typically rely on community-preserved files or homebrew tools. Flipnote Studio Rom Nds Download