Sword Art Online for the Playstation Vita?

I'm thinking of getting a Vita in like 4 days. One of the reasons why I want to get it is because its a handheld console so I can take it when I'm on the go. Also, I saw that they had a Sword Art Online game called Hallow Fragment and a upcoming one coming to the US called Lost song. This really caught my attention when i first saw it because im a really huge SAO Fan. I'm planning on buying Hallow Fragment from the PSN Store as soon as I get the console and maybe get the Japanese import of Lost Song. And I was wondering if any of you guys have played any of these two games before and could give me your opinion towards the games. Also planning on buying LittleBigPlanet :3