NESd v0.12.0 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 support for rewinding to a previous state in the emulator
ROMs can now be launched directly from the command line: NESd
Added an adaptive icon for Android
Added licenses for the used fonts
Changed
Key bindings can now be set to "hold" (default) or "toggle"
Refactored the file picker, improving search
Optimized UI performance
Switched from the default font to Inter
Improved test coverage so issues can be found more quickly
Updated the logo for the nightly builds
Replaced the SAF plugin (Android Storage Access Framework) with a custom native implementation, making file browsing and access more reliable
Colorized all parts of disassembly in the debugger
Fixed
Fixed an issue where the file picker would not work on Android
Fixed minor issues with the UI
Fixed a performance issue with rendering the emulator
Fixed an issue where loading the state for an MMC5 ROM would not work correctly

Download: NESd v0.12.0 x64
Download: NESd v0.12.0 Android
Source:Here