PS Vita homebrew developers have ported GTA: San Andreas into the console. Previously they have also ported GTA III and Vice City as well.
The Best PS Vita Games of All-Time
All PS2 GTA Games Are Now Playable on PS Vita
What's your favorite PS Vita port so far? : r/VitaPiracy
Best PS Vita Games
PS2 Games On The Vita in 2021? GTA San Andreas PORT Is Incredible
What are some Must Play PS1 Games to Play on PSVITA? : r/VitaPiracy
PSVita News: Xerpi manages to port Play!, a PlayStation 2 emulator to the Vita - NOT an April Fool's Joke but a real PoC!
The Dream has been realized. Jailbroken PS4 Pro + PS2 Packages for PS4 = Silent Hill 2 Remote Play on Vita. : r/VitaPiracy
PSVita News: Xerpi manages to port Play!, a PlayStation 2 emulator to the Vita - NOT an April Fool's Joke but a real PoC!
Unit 13 - PlayStation Vita : Sony Computer Entertainme: Everything Else
The PS Vita is my favourite sub-100$ portable gaming device by a landslide, I love this console to bits : r/SBCGaming