To actually go through with playing Mega Drive or genesis games on a Super Nintendo, or Super Famicom. All you really need in addition to what you would expect for playing games, on a SNES, is a MD Adapter and a 3.5mm jack to AV cable.
In total what you need is
- SNES power supply
- SNES controller
- Mega Drive/ Genesis game of your choice.
- MD Adapter
- 3.5mm jack to AV cable
Put them all in place like in the video and boom. You're playing your Sega Genesis/ Mega Drive games on a Nintendo system.