Were can you play sonic the heghog 1991

You can play it on the Sega Genesis, in Sonic Jam for the Sega Saturn, Sonic Mega Collection for the Gamecube, Sonic Mega Collection Plus for the PS2 and Xbox, Sonic the Hedgehog Genesis for Game Boy Advance, Sega Genesis Collection for PS2,and Sonic's Ultimate Genesis Collection for PS3 and Xbox 360