There's actually a rather huge amount of games that don't work.
Vita games that dont work
- Actual Sunlight
- Alien Shooter
- Asphalt: Injection
- Assassin’s Creed Liberation
- Call of Duty Black Ops Declassified
- DJ Max Technika Tune
- Dengeki Bunko: Fighting Climax
- Dokuro
- Dragon Quest Builders
- DragonBall Z Battle of Z
- Draw Slasher
- Dynasty Warriors Next (note: DW8 Xtreme Legends Complete Edition is compatible)
- Escape Plan
- Everybody’s Golf 6
- FIFA 13
- FIFA 14 – North American French version is incompatible. North American English and Spanish versions ARE compatible
- flOw
- Flower (a.k.a. Flowery)
- Gravity Rush (a.k.a. Gravity Daze)
- Hatsune Miku Project Diva [Project Diva F 2nd is PSTV-compatible]
- Hyperdimension Neptunia: Producing Perfection
- Hyperdimension Neptunia Re;birth 1
- Injustice: Gods Among Us
- Lemmings Touch
- Little Deviants
- LittleBigPlanet Vita
- Metal Gear Solid HD Collection ( Japanese version is compatiblenfor some reason)
- Metrico
- Michael Jackson: The Experience
- ModNation Racers: Road Trip
- Mortal Kombat
- No Heroes Allowed: No Puzzles Either
- Oddworld: Stranger’s Wrath HD
- orgarhythm (l
- Playstation All Star Battle Royale
- Q*bert: Rebooted
- Rayman Legends (note: Rayman Origins is compatible)
- Reality Fighters
- Resistance: Burning Skies
- Ridge Racer
- Romancing SaGa 2
- Samurai & Dragons
- Secret of Mana
- Shinobido 2: Revenge of Zen
- Silent Hill: Book of Memories
- Sine Mora
- The Sly Collection (note: Thieves in Time is compatible)
- Smart As
- Soul Sacrifice (Japanese version is compatible) (Soul Sacrifice Delta is compatible)
- Spy Hunter
- Street Fighter X Tekken
- Sumioni: Demon Arts
- Super Monkey Ball: Banana Splitz
- Super Stardust Delta
- Surge Deluxe
- Tales From Space: Mutant Blobs Attack
- Tearaway
- Terraria
- Touch My Katamari (Japanese version is compatible)
- Uncharted: Golden Abyss
- Unit 13
- Urban Trial Freestyle
- Virtua Tennis 4
- Wipeout 2048
- World of Final Fantasy
- WRC 3 FIA World Rally Championship (WRC 4 FIA World Rally Championship is compatible)
- XCOM: Enemy Unknown Plus
- Xeodrifter
And more I am forgetting about
Japan-only INcompatible
- Banshee’s Last Cry (a.k.a. Night of the Sickle Weasel),
- Ciel nosurge
- Moero Chronicle
- Phantasy Star Online 2
- Sakatsuku: Let’s Make a Pro Soccer Club!
- Taiko no Tatsujin V
Applications (INcompatible)
- iFruit (GTA 5 companion app)
- Mobile Suit Gundam Battle Operation Support Application (companion app to PS3 game, Japan only)
- Netflix
- Niconico
- Skype
- Youtube
PSP games that dont work
Castlevania: The Dracula X Chronicles
Final Fantasy III (generally works but may sporadically flag itself as incompatible and require a redownload/reinstall)
Gradius Collection
Metal Gear Solid: Peace Walker
Metal Gear Solid: Portable Ops (formerly compatible but may have been de-whitelisted)
Sega Genesis Collection
Most PSP Mini titles work except the following
- Age of Zombies (can be downloaded but will not launch)
- Sasuke vs Commander (cannot be downloaded or transferred from a PS3)