Apple has a substantial lead?
(Note: the title of the first article is misleading; according to the article, Apple as a single hardware vendor is in the lead, but Android as an OS has twice the market share as iOS)
However, using another language will present all kinds of issues - which language do they use?
Why not JavaScript? It's extremely well-known, Google already has an excellent implementation (V8), and it is free of licensing worries. WebOS went that route, I'm surprised Google didn't, especially given that Google's livelihood is the Web.
What you're suggesting would certainly end up having some relation to GWT
I used to drink a lot a have a great time with the night life. Now I have three kids and a more-than-full-time job. I'm lucky if I can get down two beers in a night.
Sigh!
An authority is a person who can tell you more about something than you really care to know.