NESd Git (2025/08/07) is released. A NES Emulator written in Dart and Flutter. Supports macOS, Windows, Android and Linux (tested on Steam Deck).

Features
Runs on macOS, Linux, Windows, and Android
Cycle accurate CPU emulation
PPU and APU emulation
SRAM saves
Save states
Customizable controls with multiple bindings per action
Gamepad support
Load ROMs from file or ZIP archive
Customizable touch screen controls
Debug overlay
Debugging tools
Debugger
Execution Log

NESd changelog:
Added
Added an AppImage build for Linux
Added arm64 builds for Linux
Added an option to customize the theme mode (system, light, dark)
Changed
Improved the design of the light mode (work in progress)
Fixed
Fixed gamepad inputs not being saved on Windows

Download: NESd Git (2025/08/07) x64
Download: NESd Git (2025/08/07) Android
Source:Here