Cpasjuste offers version 1.5 then 1.51 of "PFBA (Portable final burn alpha) ", Port of the Arcade emulator final burn Alpha for the Nintendo Switch.

Changelog 1.51:

PFBA: some ui adjustment
PFBA: fix 4/3 aspect ratio
NX: add audio (not perfect, but mostly ok)
NX: many fixes and improvements
PSP2: lot of ui changes
PSP2: fixed shaders (was not properly scaling, linear filter and sharp+scan shader is now perfect)
PSP2: many, many changes...

Changelog 1.50 :

THERE IS MAJOR CHANGES IN THE CONFIGURATION, YOU NEED TO DELETE THE CONFIG FILES BEFORE PLAYING BACK YOUR FAVORITE GAME :
DELETE FILE "/switch/pfba/pfba.cfg
DELETE FOLDER "/switch/pfba/configs"

add hardware scaling and rotation, big improvement in frame-rate.
fix scaling and rotation in any mode (horizontal, vertical, flipped)
add save state support
fix some random crashes
fix input change/mapping in configuration menu
add input names in configuration menu (textures to come)
add joystick support (basic, handled as buttons for now)
add rotation information in rom info box
add crappy audio support (disabled for now)
add fba version in loading screen
disabled unused filtering option for now (only linear filtering is available)

download https://github.com/Cpasjuste/pfba/tree/new

via http://www.nintendomax.com/viewtopic.php?f=168&t=16487