I fail to realize where the "big support" is. I mean, Just Dance STILL sells the best on the Original Wii, and Nintendo has to approve the release of the game. DSi Ware had some releases up to 2013/2014, does that mean Nintendo was supporting the platform? They also created the Wii Mini and have kept DS/Wii Data in their financial reports, does that equals to support?
Sony has done the least to actually support their 10 year old platform, and that's because there's still a big user base willing to purchase new content (mostly if not all of it being third party). The VITA is also getting new third party games, but Sony won't even acknowledge the poor thing.
Hey, perhaps they did support the platform steadily for 7 to 8 years, but 9 or 10 is stretching it.
I'm just glad some third parties are capitalizing on the success of the platform and still distribute new content for the existing userbase, although the support is slowing down in Japan. I'll try to remember what the last 2015 PSP title was, let alone the last Sony published one. Same goes for Vita in 2014.