NESd v0.20.0 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
Konami VRC2 and VRC4 (mappers 21, 22, 23, 25) support
Sunsoft FME-7 (mapper 69) support
In-app palette editor with live preview and export
Search field in Settings
Auto save now also saves when quitting a game or quitting NESd
Most screens now show input hints for the current input method
The Previous Tab and Next Tab actions now page through the recent ROMs and save states
All settings can now be changed with the keyboard or a gamepad
Changed
The main menu and file picker now show that they're loading a ROM
Improved gamepad and keyboard menu navigation
Improved file picker list speed on Android
Increased process priority on macOS
The privacy policy now describes the website's statistics
Fixed
Battery saves, save states, and thumbnails are matched to a ROM and not its filename
Cheats and breakpoints are matched to a ROM and not its filename
UNROM (mapper 2) games larger than 256 KiB now reach all of their banks
Short Zapper trigger pulls are no longer ignored
Two ROMs with the same file name no longer share their saves, save states, and breakpoints
Quitting NESd no longer loses the SRAM save it was writing
The file picker now stays open when a ROM fails to load
Fixed the file picker freezing on Android in large directories
The web version now has sound on plain HTTP
Fixed APU length counter halt and reload write timing
Fixed DMC DMA idle cycle reads
Fixed the sprite overflow flag set timing

Download: NESd v0.20.0 x64
Download: NESd v0.20.0 Android
Source:Here