While there is no official "Flipnote Studio" app for mobile, you can still experience that nostalgic animation style on your phone through official Nintendo services or high-quality fan-made alternatives. 🐸 For Nintendo Users: Flipnote Studio 3D
In 2014, Nintendo delisted the Flipnote Mobile Link app from the iOS App Store. Without the client app, iPhones and iPads could no longer communicate with the DSi. The servers that validated the handshake (minimal as they were) were turned off shortly after the Nintendo 3DS took over. flipnote studio mobile link