http://www.reddit.com/r/vita/comments/284o0d/sword_art_online_hollow_fragment_my_impressions/
Supposedly not unreadable but really not the best with frequent grammar mistakes. Though from watching part of an LP of the game, it honestly doesn't look too bad at all (I remember reading one or two comments that made such a big deal over nothing from what I'm seeing). You could always check it out and see for yourself:
https://www.youtube.com/watch?v=GsxQg73hnA4