I've been making small steps on the SNS API reverse engineering, and finally you can post your photos on the go to social media, at least to Mastodon: https://op-co.de/blog/posts/samsung_nx_mastodon/
What's still missing:
[ATTACH alt="A Samsung SH100 camera showing a "Sending..." dialog and a USB 4G modem stick"]3521276[/ATTACH]
A Samsung SH100 camera showing a "Sending..." dialog and a USB 4G modem stick
What's still missing:
- ST1000 / CL65 (Samsung's first WiFi camera) - API is completely unknown
- SH100 (second model) - email works, but social media expects an unknown response format, I wasn't able to dissect the "elf" firmware file to find the actual upload code

[ATTACH alt="A Samsung SH100 camera showing a "Sending..." dialog and a USB 4G modem stick"]3521276[/ATTACH]
A Samsung SH100 camera showing a "Sending..." dialog and a USB 4G modem stick