: You must use a PC or a modded 3DS to "prepare" the file by exporting it as a GIF or AVI .
Buy a used Nintendo 2DS or 3DS XL (they are cheap—$60–$100). Install custom firmware (CFW) like Luma3DS. Download Flipnote Studio 3D via a .cia installer. Then, use an FTP app to transfer your .KWZ files to your Android for sharing on social media. flipnote studio 3d android