Sonic The Hedgehog Spinball

Genesis Mini have internal savestates, that's why we can't group its games with original ones. 
For prooving :

• Mandatory : make a full screen picture or video, with the specific background clearly visible (not the black one, obviously)
• Strongly suggested : show your system used with an additional proof (with a specific personal tag or signature)
• Suggested : make video proofs, (long time, if possible)