For Android-Android, there's Google's nearby share. It's built into GSF so every single Android phone out there has it out of the box. I reverse engineered eno

For Android-Android, there's Google's nearby share. It's built into GSF so every single Android phone out there has it out of the box. I reverse engineered enough of its protocol to be able to transfer a file from my phone to my computer over LAN. I really need to do a writeup on this stuff, and also finish my macOS app to be actually usable.