I presume that there maybe something to replace it in the future but its anyones guess.

From http://googlegeodevelopers.blogspot.co.uk/2014/12/announcing...

"Google Earth has a proud legacy, which continues with the new Google Earth for Android, powered by a brand new renderer. 3D is in our blood, and while we can’t announce anything just now, we look forward to sharing more exciting product news in the future."