Scope of Android Application

look at this link, and see how android users are increasing each year
http://www.asymco.com/wp-content/uploads/2012/02/Screen-Shot-2012-02-29-at-2-29-5.48.40-PM.png
it shows that due to increasing no of android users, business need to have their presence on smart phones as well, and a new concept of mobie commerce is growing on very fast rate, for your business growth you need to exploit this channel also, there for an android app is a must for a online business cool