A: No official iOS version. You’d need a jailbroken device or third-party sideloading (e.g., AltStore) – not recommended for most users.
Host: For actual 3DS games? Use Citra. But you’ll need a powerful phone. download drastic 3ds emulator
Host: Download it from the Google Play Store – search “DraStic DS Emulator.” A: No official iOS version
Host: DraStic is for Nintendo DS – Pokémon Diamond, Mario 64 DS, that kind of thing. It’s fast, cheap, and works on almost any Android. Mario 64 DS