First Vita gameplay of SAO hollow :
http://gematsu.com/2016/10/sword-art-online-hollow-realization-details-japanese-early-access-version-first-ps-vita-gameplay
Seems to run very well (only saw first 5 minutes). Apparently they went with slightly further away camera from the ps4 version ?(I don't know, I haven't watched any ps4 trailers), but yeah, it looks different than the older SAO games from what i remember.