A NES Emulator written in Dart and Flutter. Supports macOS, Windows, Android and Linux (tested on Steam Deck).
If you sponsor an iOS device and the Apple developer account fee, I'll add iOS support ;)

Features

• Runs on macOS, Linux, Windows, and Android
• CPU, 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

Supported mappers

• NROM (0)
• MMC1 (1)
• UNROM (2)
• CNROM (3)
• MMC3 (4)
• AxROM (7)
• MMC2 (9)
• GxROM (66)
• BR909x (71)
• Namco108 (206)

Screenshots

Android

macOS