Here are some reasons why: 1. Poor availability of app store in many countries in the world compared to iPhone 2. Ability to purchase apps outside the appstor

Here are some reasons why: 1. Poor availability of app store in many countries in the world compared to iPhone 2. Ability to purchase apps outside the appstore - I bought an app from an author's website directly, paying by Paypal. 3. Fewer actual handsets in use worldwide.