to OP-This is a list taken from Blacklagoon´s blog a guy from GiantBomb he actually have a very good and complete list so. there are a few
that arent on your list and would be awesome to put all this games with a little screenshot for each one on this thread. Let me remind you that this list is mostly NA releases based but still impressive.
Invizimals: The Alliance - The Invizimals return for the Vita (2014)
Sword Art Online: Hollow Fragment - Fulfilling all your fake MMO needs (Bamco, August)
Disgaea 4: A Promise Revisited - Enhanced port of the PS3 SRPG (NISA, August)
Akiba's Trip: Undead & Undressed - Explore Akibahara and strip vampires (XSEED, August)
Hyperdimension Neptunia Re;Birth1 - Remake of the first Neptunia game (Idea Factory, August)
The Wolf Among Us - Telltale's latest adventure game
Supermagical - Bust-a-Move with RPG stuff in it
Oddworld: Munch's Oddysee - HD remaster of the Xbox game
Cloudberry Kingdom - Hard as nails plaformer
Fieldrunners 2 - The tower defense favorite returns to PlayStation platforms
Forgotten Memories - Survival horror set in an abandoned psych hospital
James Pond 2: Robocod - Remake by System 3
Hohokum - 2D sandbox snake thing (August)
Metrico - Vita exclusive from indie studio Digital Dreams (August)
Foul Play - Beat 'em up
Jet Car Stunts - Stunts focused racing game
Treasures of Montezuma: Arena - More free to play block matching
Flyhunter Origins - Platformer by former Pixar staff (Summer)
Son of Scoregasm - Indie dual-stick shooter
The Swapper - Indie puzzle game. Scoops approved. (August)
Danganronpa 2: Goodbye Despair - More highschool murder hijinks (NISA, Fall)
Hatsune Miku: Project DIVA F 2nd - Another rhythm game staring the popular vocaloid (Sega)
Natural Doctrine - SRPG from Kadokawa (NISA, Fall)
Oreshika: Tainted Bloodlines - Dungeon crawler set in ancient Japan (Sony)
Freedom Wars - Multiplayer action game from Japan Studio (Sony)
Tales of Hearts R - Tales comes to the Vita (Bamco, Winter)
Arcana Heart 3: Love Max - Updated version of the all female 2D fighting game (Aksys, Fall)
Senran Kagura: Shinovi Versus - Dynasty Warriors + boobs + destructible clothes. (XSEED, Fall)
Samurai Warriors 4 - More Tecmo Koei hack and slash
LEGO Batman 3 - Batman in S-P-A-C-E!
LEGO Ninjago: Nindroids - More LEGO
Disney Infinity: Marvel Super Heroes - 2.0 version is getting a Vita release
Criminal Girls: Invite Only - Whip a set of female delinquents into capable RPG warriors. Literally. (NISA)
Tokyo Twilight Ghosthunters - Visual novel/RPG-thing (Aksys)
Oddworld: Abe's Oddysee New N' Tasty - HD remake of the PS1 game
Chromophore: Two Brothers - Action adventure game with a Game Boy aesthetic
The Binding of Isaac: Rebirth - I don't care what anyone says, it's a Zelda clone not a roguelike
Frozen Synapse: Tactics - Console remake of the indie turn-based strategy title
Hungry Giraffe - Native Vita version of the Minis title
Counterspy - Stylish cold war side-scroller inspired by Flashback
C-Wars - Retro RTS thing
A.N.N.E. - Retro metroidvania thing
DYING: Sinner Escape - Horror/puzzle game from the creators of Saw
The Next Death Ray Manta - New version of the indie dual stick shooter
Soul Saga - JRPG-inspired Kickstarter funded game
Liege - Kickstarter funded turn-based, tactical RPG.
Rainbow Skies - Successor to the SRPG Rainbow Moon
Duke Nukem 3D - Port of the classic FPS
VVVVVV - Port of the indie platformer
Hotline Miami 2 - Sequel to the psychedelic murder spree simulator
Heroes of Loot - Randomly generated Gauntlet thing
The Chaos Engine - Port of the Amiga classic
Velocity 2X - Sequel to the fast paced shoot 'em up
Murasaki Baby - Creepy platforming adventure
Big Fest - Raise your own band?
Volume - Stealth game from Tomas Was Alone creator
Nuclear Throne - Procedurally generated action game from Vlambeer
Helldivers - Co-op scifi twin stick shooter from the Magicka devs
Starbound - Scifi 2D sandbox with optional plot
Legend of Raven - 2D fighting game from former King of Fighters devs
Minecraft - You may have heard of it
Assault Android Cactus - Indie twin-stick arena shooter
Joe Danger - Joe goes portable
Joe Danger 2: The Movie - Joe continues being portable
Samurai Gunn - 2D deathmatch thing
Kick & Fennick - Charming platforming adventure about a boy, a robot, and giant gun
Switch Galaxy Ultra - Expanded version of the mobile scifi racer
Gravity Crash Ultra - Just Add Water's 2D shooter returns
Avoid Droid - Mobile 2D action game. Avoid the droid.
Frutorious - Mobile slingshot platformer
Final Horizon - RTS/tower defense hybrid
Flame Over - Fast paced fire fighting game with random levels
Table Top Racing - Minature kart racer
Lemmings Touch - New game in the Lemmings franchise
Road Not Taken - Procedurally generated puzzle game
Shantae: 1/2 Genie Hero - New game in Wayforward's series of platformers
Pavilion - Surreal "4th person" adventure
Hyper Light Drifter - 2D action RPG
Super Exploding Zoo - Action puzzle game from Honeyslug
Mighty No. 9 - Completly not Mega Man game from Keiji Inafune
Cosmic Star Heroine - Scifi retro RPG from Zeboyd
Kodoku - Japanese inspired horror game
Energy Hook - Game inspired by Spider-Man 2's swinging mechanic
Teslagrad - Steampunk platformer
AfterZoom - Upgraded version of the DSi AR game
Bodycheck - Medival Speedball. Vita exclusive. (Q3)
Risk of Rain - Indie shooter
Titan Invasion - Puppy Games' two Titan games ported and bundled together
Futuridium EP Deluxe - Fast paced retro 3D shooter thing
The Swapper - Indie puzzle game
Forma.8 - Scifi metroidvania (Q3)
Galak-Z - Get your Robotech on in this anime-inspired procedural space shooter
Tiny Troopers: Joint Ops - Dual joystick reworking of the mobile franchise
Rocketbirds 2: Evolution - More 2D sidescrolling action
Race The Sun - Indie endless racer
Aztez - Brutal 2D character action
Dragon Fin Soup - Grims's Fairytale roguelike
Hand of Fate - NOT the classic Westwood adventure game
Mercenary Kings - Megaman-ish 2d grindfest
Ninja Senki DX - Hardcore retro platformer
Curses 'n Chaos - NES-style 2D brawler
The Legend of Doodle - Pencil art puzzle platformer
Krinkle Crusher
Rain World - Adult Swim game
The Hero Trap - Top down gauntlet dungeon crawler thing (September)
Axiom Verge - Metroidvania thing
Drifter - Open world space trading game
Warriors Orochi 3 Ultimate - Even more enhanced version of the musou crossover game (TK, Fall)
Red Goddess: Inner World - Fantasy metroidvania (March 2015)
Senran Kagura: Bon Appétit! - The top heavy ninja cooking rhythm game (XSEED)
EarthNight - Runner with dragons
One Way Trip - Surreal adventure
Heart Forth, Alicia - Indie metroidvania
Gunship X - Top down airstrike simulator
Reaper - Free to play 2d action RPG
Don't Starve - Survivial sim
Rollers of the Realm - Fantasy pinball RPG
Woah Dave! - Old school 2d action game
MechRunner - Scifi runner
Y2K - Indie RPG
Tetris Ultimate - Pretty sure you can figure this one out yourself
My Singing Monsters - Singing monster collectathon
Guns Up! - Free to play WWII-ish RTS
Fat Princess: Piece of Cake - Match three with the princess
Tales from the Borderlands - Telltale does Gearbox
Not a Hero - Indie side-scrolling shooter
Grim Fandango - Updated version of the classic adventure game
Broforce - 80s action movie inspired 2d action
Titan Souls - 2D game inspired by Shadow of the Colossus
The Fierfly Diary - Puzzle game from Nippon Ichi
Skullgirls: Encore - 2d fighting game
Didnt Finish it yet but OP ´s List is pretty awesome im bolding the games that are already on the Ops and its pretty much all of them , i didnt finish checking yet.