Every Square RPG for the NES, SNES and GBA that was released in English.
Mother 3, hell i would use the fan translation since i believe the translators have said they are willing to let
Nintendo use their translation and would save a lot of people a lot of time
Pokemon Leaf Green and Fire.
all DS mainline Pokemon games.
bring out GBA emulation on the 3DS even if at the cost of save states or making them a new 3DS exclusive feature.
bring Gamecube VC with gamecube controller adapter support and make Melee, Luigi's Manison, Eternal Darkness, and Mario Sunshine launch titles for it.
i would do all i can to put Star Fox 2 on there.