Answer to "Broken glass on clover mini."Buy a used one on eBay and transfer. Simple.
Answer to "sleep/lock button not working after screen assembly replacement"I have one at my shop doing the same. I believe it may be related to the small piece on the bottom near the home button that requires soldering. It is the same as the iPad Air 2. Did you transfer that piece and solder it onto the new screen? This may be the answer