(installed file), you are likely using the original DSi version of the software on modern hardware. This setup is popular because it allows you to connect to community-run servers like
Once users had completed their flipnote, they could save it and share it with friends and the wider DSi community. Sharing was as simple as sending the CIA file to a friend's DSi console, either directly through the console's wireless capabilities or by transferring the file to a computer and then to another DSi console. flipnote studio dsi cia
How to handle Flipnote files and exports (installed file), you are likely using the original
By changing a few simple DNS settings in your 3DS Internet Connection setup, you can connect your DSi Flipnote Studio app directly to Sudomemo. This allows you to upload your own animations, comment on others' work, participate in weekly challenges, and browse hundreds of thousands of classic and modern flipnotes just like it's 2010 all over again. If you'd like to dive deeper, let me know: How to handle Flipnote files and exports By
While the app was eventually released, it had a complicated history in the West, often requiring a My Nintendo reward redemption or being entirely unavailable in certain regions' eShops. Today, if you missed the official window or want to install it directly to your home menu without relying on the now-defunct DSi Shop or limited eShop availability, the format is the standard method for installation on custom firmware (CFW).
Once installed, return to the home menu. You may need to reboot to see the new icon.