Are you guys interested in using the OoT exploit as well? I believe it was released in region4 also there are instructions for loading other payloads like Pasta. Didnt look to hard but here is the link if your interested.
https://github.com/smealum/regionFOUR/commit/a95e31a8bb8e098624ce442c091d6b78cc5b3e46
This is cool !