NESd v0.21.1 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:
Changed
AppImages are now named nesd..x86_64.AppImage / nesd..aarch64.AppImage
Fixed
NESd runs on Ubuntu 22.04 and other older distros again

Download: NESd v0.21.1 x64
Download: NESd v0.21.1 Android
Source:Here