An microSD card for Analogue Pocket. It comes with the latest 2.2 firmware, so you can install it straight away.

As for the cores with game:

• NES - 787 games
• Game & Watch - 122 games
  
• GameBoy Advance - 880 games
• GameBoy and GB Color - 1050  games
• Sega Genesis - 733 games
• SNES - 1598 games
• ATARI 2600 - 622 games
• PC Engine - 417 games
• Game Gear - 654 games
• Neo Geo - 249 games
• Master System - 317 games
• Commodore Amiga - 1590 games
• Various arcade games - 131 games

Additionally to this, all of the original Display Modes are enable so that you can have the same experience as using a real cartridge.