SNK is an interesting company. For years they dominated the arcade and home fighting game scene, pumping out IP after successful IP. Then all of a sudden, Konami style, they kind of just stopped doing it.
Now the publisher is back in business and is trying to re-integrate into the gaming scene in a big way: one of those initiatives is the Neogeo Arcade Stick Pro.
Source: Destructoid The Neogeo Arcade Stick Pro is fun, but a niche within a niche