Remote Play on the PS Vita (Control Your PS3)

Like the PSP before it, the PlayStation Vita can access content on a PS3 and even play PS3 games remotely.

PS Vita may double as PS3 controller

ps4relink - PS4 Remote Play on PS Vita without PSN sign-in, now automated via a homebrew

Sony Showcases Cross Play Gaming Between PS Vita And PS3; Cross-Controller DLCs For Deep Mobile-Console Integration

Using the DS4 controller on various devices (PC, PS3, Vita, Android)

PlayStation Vita Firmware 3.00 Gets Your Handheld Ready For PS4 - Game Informer

PlayStation Vita 3G/Wi-Fi Bundle : Video Games

Sony Unveils The PlayStation Portal: A Remote Play Handheld For PlayStation 5

A forgotten PS4 feature just became essential during coronavirus quarantine

GitHub - MuxaJlbl4/Awesome-PlayStation-Vita: List of awesome stuff for PlayStation Vita

PS4 Remote Play is Sony's killer feature and it's not even new

What's everyone's thoughts on remote play : r/vita

Remote Play with PS Vita on your PS3