Yeah to be honest I'm not exactly sure what that's about. It seems much easier (to me at least) to just find a way to skip verification of installed titles. It looks similar to the Sky3DS almost, but that doesn't make sense because the mod isn't a fake cartridge.
Its probably remounting the cartridge drive and having it redirected to the game backup files on the SD card. That's what the PS Vita's hacking scene does (or can do).
This video does bring up a bunch of other interesting questions though.
1. Will this work on every firmware?
2. What happens if Nintendo puts out a new firmware and releases games that require the latest version? Will spoofing be possible and will it work?
3. If they're using a RCM jig, is the "soldered version" merely just a "ground pin 10" method?
4. If they have a untethered dongle for the charge port that's providing the CFW, can that CFW payload be dumped and used by everyone else here for free via one of the already available tethered methods?
5. Does the dongle itself have any data storage within that the Switch is accessing? Maybe the backup games that it's loading are not on the SD card but inside the dongle itself?
6. Maybe I'm overestimating TX, F0F, Reswitched, etc. But are we always going to have to use RCM for exploits or will we eventually get an untethered cold boot CFW that "just works" like Luma3DS and HENkaku Enso?
I NEEDZ ANSURS