Well, at least one indie for Vita hasn't been cancelled:
http://blog.us.playstation.com/2016/01/12/crypt-of-the-necrodancer-hits-ps4-ps-vita-on-february-2nd/
Devolver are promising more Vita games coming this year in lieu of Not a Hero:
We love the PS Vita but there were technical hurdles that prevented the Not A Hero port - but we’ve got more Vita games coming this year…
— Devolver Digital (@devolverdigital) January 12, 2016