I'm pretty sure Sonic Spinball and 3D Blast aren't really cannon, which is to say they're not part of the main storyline. For that matter Sonic CD might not be either. It's a bit of a stretch since those games aren't exactly storyline heavy, and I'm not sure the original creators ever really gave it that much thought. Neoblade's list makes sense. The only one that I'd be a little iffy about is Sonic Spinball. Again that seems like the logical place to put it but I'm pretty sure it's not really supposed to be part of he main story. If you were to put 3D Blast in there, it would probably go after S&K. It was released after S&K and there's no mention of it being a prequel anywhere, plus it has Tails and and a friendly Knuckles in it, so it would make sense that it takes place after the events of S&K.
As for the Game Gear/SMS titles they're part of a different storyline, think alternate reality or something along those lines.