Antwort auf „How can I get my top side button to work?”I think you'll have to open the phone up and have a look. Pop the back off and remove the 14 torx screws. If you're lucky you've just damaged the button (very easy repair) rather than the microswitch on the motherboard (some very tricky soldering needed!). Both these parts are available - just google them.
Antwort auf „Dissasembly of the front housing for LCD repair?”I'm sure you've figured it out by now but there's no need to remove it. Just use your pry tool to carefully remove the broken glass from the front of your Moto G. Once you've done that remove all the double sided tape from the frame and clean with isoproply alcohol or similar. To fit the new screen you'll need 1 mm wide double sided tape (search for cell phone tape on eBay).