In the past I’ve tried RetroPie on a Raspberry Pi 2 Model B. While the emulator support remains impressive, RetroPort support for RetroPie was pretty bad (RetroPorts are NES and SNES native to USB dongles) … probably a whole second delay, compared to normal USB keyboard presses. As you can guess, even SMB1 was unplayable.
Has anyone tried Lakka using a Raspi 2 and Retroport dongle? How was the experience?