Appeared on the net today, a new patent application filed on behalf of Nintendo, concerning a possible accessory or external device wireless for Nintendo Switch.La consolesBig N has the codename “HAC”, and this recording puts on the plate “HAC-016” that seems to suggest just one accessory for your platform launching pad for March. The patent talks about “Wireless” Gaming Device “without going into further detail, unfortunately. An announcement or in any case the first details about may still arrive on or before June 18, 2017, when it will expire the constraint of confidentiality on the patent. What could be, in your opinion?Release Date: March 2017