The PSP and Vita have never done spectacularly in the West, and I think Sony started doing what a lot of other Japanese companies have done lately, ignoring the West in favor of the home market. And sadly, the Vita TV never really took off in Japan (where the handheld sold comparatively well to begin with.)
The PSP and Vita have never done spectacularly in the West, and I think Sony started doing what a lot of other…