I own Sonic 1 on my GameCube, PS2, PSP, Wii, 360, PC, iPhone, Android, 3DS, Vita and Saturn.
Atleast it isn't as bad as Street Fighter 2 where it has been on almost every video game system known to man since its release and all of its re-releases/updates. I have that game on Genesis, PS1, PS2, Xbox, GBA, PSP, 360, Wii, Vita, iPhone/Android, PC and somehow on those plug-in and play consoles
I can see a compilation being release.
I'll just release the Stealth/Taxman versions of Sonic 1/2/CD, 3&K, the GG games, Spinball/3D Blast/MBM, Sonic the Fighters and Sonic Pocket Adventure because that hasn't ever been re-released at ANY point