I saw this magnetic case advertised on Facebook today. It doesn't need sticky tape since it is magnetic, and it has a stand and spine protection, though the spine protection is one that makes the phone rock when open and placed on a surface. There's also a leather version that has a slot on the back for the S-Pen Fold, but no protection for the spine.
MAIN FEATURES [Folding hinge all-inclusive]: Anti-drop upgrade, true 360° all-inclusive, anti-drop and strength, give you the sense of security you want. [Built-in magnetic holder]: Built-in alloy bracket, allowing you to make hands-free video calls, reading or watching movies in any comfortable...www.czekus.com
Magnets affect the Spen I believe.