(1) Sony has pledged massive backing to the Indie community as last E3 and there has been allot of solid titles released in the last 3 month that accounts for the Vita's solid sales ending 2013.
(2) Sony stated that the PS4 & Vita were developed with each other in mind, and the PS4 has only been released post 2 months now. I think this year we will see if the PS4/ Vita combination that Sony was aiming for pans out as planned.
(3) Just in case you missed it 1st time around, THIS LIST ................ http://www.ign.com/articles/2014/01/16/the-top-30-playstation-vita-games-of-2014