Nec PC-Engine: mixrbv2, video_hq (1.2GB), video_lq (265MB).Nintendo NES: mixrbv2, video_hq (5.3GB), video_lq (1.2GB).Sega MegaDrive: mixrbv2, video_hq (9.7GB), video_lq (1.5GB).Sega GameGear: mixrbv2, video_hq (2.0GB), video_lq (382MB).You can download a near fullset mixrbv2 and video package for each platform here (hq = high quality, lq = low quality, download one of them): Please note that the vita and ps4 port doesn't support video previews yet. For arcade roms, for example: png files goes in 'roms/media/mixrbv2', mp4 files in 'roms/media/video'). pFBN support preview images and videos (put files in corresponding media folder.
Here is the corresponding folders where roms should be located (as fbneo):
use a recent rendering interface for speed and effect support.have a basic but user friendly user interface.