PS Vita homebrew developers have ported GTA: San Andreas into the console. Previously they have also ported GTA III and Vice City as well.
All PS2 GTA Games Are Now Playable on PS Vita, gta 4 ps2
best PS Vita games
What's your favorite PS Vita port so far? : r/VitaPiracy
The PS Vita is my favourite sub-100$ portable gaming device by a landslide, I love this console to bits : r/SBCGaming
Best PS Vita Games
All PS2 GTA Games Are Now Playable on PS Vita
Grand Theft Auto: San Andreas (PS2) : Video Games
All PS2 GTA Games Are Now Playable on PS Vita, gta 4 ps2
PlayStation Vita First Edition Bundle : Video Games
All PS2 GTA Games Are Now Playable on PS Vita, gta 4 ps2
Grand Theft Auto Vice City Sony Playstation 2 Game