Delta Emulator

Delta is an iOS emulator that supports multiple game systems such as NES, SNES, N64, and DS, improving upon its predecessor, GBA4iOS.

Features include:

Support for various game systems including Nintendo Entertainment System, Super Nintendo Entertainment System, Nintendo 64, Game Boy (Color), Game Boy Advance, and Nintendo DS.
Controller support for Nintendo Switch Pro controllers, Joy-Cons, Nintendo Switch Online controllers (NES, SNES, N64), PS4, PS5, Xbox One S, Xbox Series X, MFi game controllers, and Bluetooth & wired keyboards.
Save states feature that allows users to save and load game states, lock save states to prevent accidental overwriting, and automatic backup.
Cheat code support for each supported system.
Delta Sync that syncs games, game saves, cheats, controller skins, and mappings between devices.
Custom controller skins that can be imported or created by users.
Hold button feature for games requiring constant button pressing.
Fast forward feature to speed through slower parts of games.
3D/Haptic Touch to peek at games, save states, and cheat codes.
Game Artwork that displays box art for imported games.
Gyroscope and microphone support for specific games.
Support for delta:// URL scheme to jump directly into a specific game.