PS4 Firmware 6.50 Lets You Switch Which Button Is Enter (For Some Regions)
Persona 5 E3 2016 'Revealing the Phantom Thieves' Niconico Live Stream Announced - Persona Central
PlayStation 4 Firmware 6.50 released - Remote Play now supports iOS devices, X/O button swapping is FINALLY a native feature and you can stream 720p video to NicoNico! - Wololo.net
PS4 Nico Nico Share streaming launches in Japan April 30 | VG247
Nico Nico: Social Video Service Coming Today to PS Vita – PlayStation.Blog
Niconico-Styled Chat For Twitch! : r/Twitch
PS4 Update 6.50 Patch Notes Reveal New Remote Play Addition