...for Android to change the homepage to Google?
I do not think it is possible yet, but there is a workround you could use:
See /questions/951419 where kbrosnan suggests
There are no direct way to set a home page. That being said there is a way to get the same effect.
Make sure that the page is in your history
Tap in the address bar
Search for the history item
Long press on the history item
Select "Add to home screen"
Use this bookmark shortcut to launch Firefox.
hello, create a bookmark for google.com on the homescreen of your device.