vitastick is a plugin and an application that lets you use a PSVita as a USB controller. It uses the UDCD (USB Device Controller Driver) infrastructure in the kernel to simulate such controller, and thus, the host thinks the PSVita is a legit USB gamepad.
Download: https://github.com/xerpi/vitastick/releases
Features:
Installation:
*KERNEL
ur0:tai/vitastick.skprx
Usage:
Note: If you use Mai, don't put the plugin inside ux0:/plugins because Mai will load all stuff you put in there...