Seems like good a place as any to strap a GamePad, no?
Over on Kougaku Navi (via Engadget), they have a Splatoon VR hack that uses the
PlayStation VR Sony HMD headset, a modded water gun controller and the previously mentioned Wii U GamePad. Right now, they're on version 3.0.
— kougaku (@kougaku) June 20, 2016
It's rough, ramshackle and a little goofy, but not bad at all.