Well, going by your criteria, let's count them up.
PS4:
Knack (SCE Japan Studio, Sony 1st Party Studio)
Killzone: Shadow Fall (Guerrilla Games, Sony 1st Party Studio)
Total: 2
Xbox One:
Killer Instinct (Double Helix Games, 3rd Party)
Dead Rising 3 (Capcom, 3rd Party)
Ryse: Son Of Rome (Crytek, 3rd Party)
Zoo Tycoon (Frontier Developments, 3rd Party)
Forza 5 (Turn 10 Studios, Microsoft 1st Party Studio)
Total: 1
Not getting into your stupid list wars, I see 3 first party games and 1 that'll never go multiplat, that's all that matters.