I am writing a review for Namiio last day (Awaiting approval for moderation https://gbatemp.net/review/namiio-amiibo-backup-and-emulation.416/). I'm think that Namiio is good, Amiiqo can stock backups in device / Namiio stock in PC... For cheat, Namiio work, for Amiiqo, I don't know.