Developer's DescriptionBy Florian Grillhttps://github.com/grill2010/PSJoy_Server/wiki/FAQ...https://github.com/grill2010/PSJoy_Server/wiki/FAQIf you have any questions before downloading the app or if you have any problems with ShockPad or the PSJoy server please feel free to contact me at f.grill160@gmail.com.Disclaimer: PS4, PlayStation 4, Dualshock and PSN are trademarks of Sony Computer Entertainment Inc. PSJoy is in no way endorsed by or affiliated with Sony Computer Entertainment Inc, or any associated subsidiaries, logos or trademarks.