luizthiago
regarding 2) i just tested a fresh installation of the current beta 2 on my RPi3 and here is my result with all N64 Emulator/Cores:
Emulator: Auto (= MUPEN64PLUS)
Core: Auto (= GLIDEN64)
My TV says: 720p 60hz
16:9 no Bezels
Mario Kart 64 -> runs slow (resolution is higher than 320x240, guess it is 640x480 or even 960x720)
Emulator: MUPEN64PLUS
Core: RICE
My TV says: 720p 60hz
Mario Kart 64 -> black screen and sound only
+++++++++++++
Emulator: LIBRETRO
Core: MUPEN64PLUS (= Mupen64Plus GLES2 2.5)
My TV says: 720p 60hz
4:3 with Bezels
Mario Kart 64 -> runs fine (resolution is 320x240 but can be increased in RetroArch Settings)
Emulator: LIBRETRO
Core: MUPEN64PLUS-NEXT (= Mupen64Plus-Next GLES2 1.0)
My TV says: 720p 60hz
4:3 with Bezels
Mario Kart 64 -> runs fine (resolution is 320x240 but can be increased in RetroArch Settings)
Emulator: LIBRETRO
Core: PARALLEL_N64 (= ParaLLEl N64 2.0-rc2)
My TV says: 720p 60hz
4:3 with Bezels
Mario Kart 64 -> runs very slow, and black screen/sound only when starting a race (resolution seems to be 320x240, but RetroArch Settings says it is 640x480)
All my settings were at default/Auto