Without a GTA/Gran Turisme/God Of War, it will be difficult indeed...
Even Killzone M wont move a lot of hardware.
All because of smartphone, Vita is targeting people who own a smartphone and prefer to play on home console, when 3DS works in west thanks to the children.
Predictions for end of 2014 HW sales:
PS4: 17m XB1: 10m WiiU: 10m Vita: 10m