Wii U
Vita
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Xbox One in that order. XBO in a distant 3rd.
Vita has some cool smaller games. Wii U still had a lot of good first-party stuff and at the time exclusives from Platinum like W101 and Bayo 2. Xenoblade X. MK8. Tokyo Mirage Sessions. BoTW. Splatoon. Smash. Yoshi Wooly World. DKCTF. Super Mario 3D World. Wii U had a lot of good exclusives. Vita had some good niche games. Xbox one....Sunset Overdrive. Gears 4.5. Killer Instinct. Maybe Forza games I guess. Just not much there.