Bluetooth. It is a bit slow - especially on large video files, but you can use it to send arbitrary files to just about any modern device. Or, WiFi direct http

Bluetooth. It is a bit slow - especially on large video files, but you can use it to send arbitrary files to just about any modern device. Or, WiFi direct https://en.m.wikipedia.org/wiki/Wi-Fi_Direct https://en.m.wikipedia.org/wiki/Wi-Fi_Direct for larger files. Now there's a problem with discoverabillity and compatibility - but that's no different to trying to get CIFS devices talking to each other.