I've been keeping an eye on PiePacker and PieReader projects and have to say the potential is definitely very interesting. PiePacker is a service with licensed online multiplayer games and PieReader is hardware that allows you to plug in old cartridges and play them online with a friend (only one player needs the cartridge). A separate adapter will be needed for different consoles. https://piepacker.com/ What I really like about the PieReader project is that this is a 100% legal way to play an old game with a friend online and not grey area legally like ROMs are... The sad thing is that this is coming at a time when purchasing retro/vintage cartridges has gone way up in price (due to social distancing and the pandemic) but this does offer a cool way to play an old cartridge with friends and only one of you needs the cartridge for it to work. We are currently less than 9 days away from the launch of the Kickstarter for this project! April 20th is when backing the pr