I gotta admit, as a vita owner I'm very happy with these games. I understand why some are not, but I am.
I have had realistic expectations about the vita after the release and terrible numbers of both Tearaway and Killzone: Mercenaries. Sony released several high-quality and well-known franchises on the vita and it failed to attract a strong enough audience. It, nonetheless, has a core base willing to buy new games.
I respect Sony for not calling it quits and instead supporting the system as much as it makes business sense to them. Because let's face it, Sony should be focusing their efforts on ps4 with AAA titles which is selling extremely well and can help the company. All the vita can do at this point is make Sony some small profit and such ports/mulitplats don't cost them much and are thus perfect for the vita's situation.
Essay Pro