Same thing they did last year on the PlayStation Blog, only this time on their Facebook page.

The 2015 titles already shown are Brandish (PSP), Corpse Party (PC), Story of Seasons (3DS) and Trails in the Sky SC (PC/PSP).

Two of the silhouettes have already been guessed - #1 is Forbidden Magna (3DS) and #4 is Ys: Ark of Napishtim (PC/PS2/PSP - most likely PC version coming over).

UPDATE: And a third one seems to have been guessed, Oneechanbara Z for the PS3:

UPDATE #2: Fourth game appears to be Corpse Party: Blood Drive (PSV), as the domain suggested:

It seems there's only one left to guess, according to one of the XSEED guys:

https://twitter.com/Hatsuu/statuses/554011150958862336

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Madam 軌跡‏@Hatsuu

I'll be kind to those looking for 8 games in that teaser: there are only 4. Please don't tear your hair out of your head looking for 8.

Why bother with psp over 3DS? PS2, really?

Nice!

Really, that's your contribution?  Console wars and not reading the post properly?

They're bringing PSP games across because there's still a great number of titles unreleased in the west that are really very good, that members of the team are personal fans of.  They're also bringing over two 3DS games.  I don't see what the problem is.

BRANDISH? o .o

Oh. Damn.

Thanks a lot.

Your thread made it seem like these were new games. I have little knowledge of Japanese games.

XSEED have never developed a game in 8 years of existence.  

They localize games, and all of these titles are new to the west (except Ys).

So again, they're teasing 2015 games that they're going to release in the west.  As the thread title says.

If I could see some of them more clearly, I could probably point them out, but as it stands it's hard to tell.

I really have no idea what any of those hidden games are. More PSP games on PC would be awesome, though.

 I have little knowledge of Japanese games or devs. :p