https://www.reddit.com/r/vita/comments/4r0j6m/steinsgates_vita_release_outsold_the_ps3_release
Steins;Gate's Vita release outsold the PS3 release 4 to 1
Although obviously the rep wasn't able to tell me exactly what games they've got coming, he did say that they've already got 4 Vita games they plan to release next year, and 2 of them are VNs.