Nintendo has never released Flipnote Studio (any version) on Android or iOS. Flipnote Studio 3D remains exclusive to the Nintendo 3DS (2013 release, discontinued eShop). The original Flipnote Studio (DSi) was also exclusive.
Since Nintendo's official servers are long gone, Android users often use Sudomemo , a fan-run community that allows you to upload and share animations just like the original service. flipnote studio 3d android new