Yes, Nnooo, which aside from a brief daliance with the iPhone and iPad, has been a Nintendo-exclusive developer, has become an officially certified Vita developer. One of only four at this stage in Australia, in fact.
And indeed, the 3DS should be worthwhile in itself. escapeVektor's art style would look awesome in 3D.
Both games have no firm release date, but can be expected some time this year.