If you are interested in running your own software on the Nintendo Switch, you should watch and follow this presentation from 34C3:
https://media.ccc.de/v/34c3-8941-console_security_-_switch/
Hombrew editions are on the horizon.
Free the console from its walled garden:)
Security on Switch seems to be quite elaborate. They had to hop over some fences, gates and wall to reach the trusted zone.
Using an integrated and documented backdoor, by NVIDIA, in their SMMU is really fun;)
Good work guys!