Japan's equivalent to e3 is here... and lasting kinda long (it ends 9/20)... buuut here is some of the aNnouncements up to date...
Arksys:
Axel and I-No revealed for Guilty Gear Xrd
story Details for Blaz Blue Crono Phantasma revealed
New Guilty Gear Xrd Trailer showing off more game footage and the reveal of Veteran Fighter,
Axel
New Blaz Blue info showing off Kokonoe being a playable character in Chrono Phantasma
Atlus:
Atlus is Now Owned by Sega
Junpei Iori and Yukari Takeba announced for Persona 4 Arena Update, there also seems to be a new character selection screen, rebalancing, new moves, and a new character select option called Shadow Mode. Shadow Characters cannot Burst, but have SP gimmicks and keep their SP at the end of matches
Capcom:
Deep Down will be free to play
New Monster Hunter game in development for Ps Vita!
Konami:
*New Gameplay footage of Metal Gear 5 and MGS: Ground Zero
Caslevania Mirror of Fate going HD
Microsoft:
*New Character, Sadira announced for Killer Instinct!
B. Orchid Teased
Nintendo:
Wii Sports U, I' sure you guys are stoked for that!
Shown off new Pokemon X and Y pokemon, Game's Villians, and in Game Features!
Princess Peach revealed as a returning Veteran to Super Smash Bros for Wii U and 3DS
We have special topics designed for discussing these games... so go discuss them there!
Namco Bandai:
*Tales of Xillia 2 heading west
Jojo's Bizzare Adventure heading to the US
Spawn will be playable in Soul Calibur 2 HD, meaning we will have both Spawn and Heihachi in the game!
Free to play Soul Calibur title announced to be in the works... keep in mind that Namco is being kinda lazy since they are working on the new Super Smash Bros Title
Nippon Ichi Studios:
*New game called Dangonropa heading to the US for the first time!
Sony:
Sony TV announced... no... this isn't watching tv on your ps4... its a program/device designed for your ps vita, it give you the ability to play your vita on any tv... which... is kinda boss!
You can also use a ps4 controllor to play your vita games...
Keep in mind that Vita supports Netflix, and nearly every ps4 game will have remote play, meaning you can play most of your games on your ps4 on your vita using an internet connection... sounds boss for when your stuck at someone's house or on vacation and wanna play your ps4. Imagine carrying your PS4 with you without actually Carrying it around XD
Also keep in mind that Knack and Borderlands 2 are confirmed Vita Titles.
Square Enix:
*Gammme footage of Lightning Fighting like Summoner Yuna
Serah, Sazh, and more confirmed to be returning to the Final Fantasy 13 Threequel, Titled Lightning Returns... not much info... but I thought someone would care.
Valve:
Valve said that they have 3 big announcements next week!