The charts speak for themself.

Android clearly has a problem. Twitter’s new Android App is for 2.1+, which has a share of 27,3 % of all installs. On the iPhone, less than 10% are < 3.1. It’s not only Google’s fault, but this really hurts Android – and much more the Android App ecosystem.

Sources for Android and iPhone version share (both from March/April 2010)

Related posts:

1. “On Android, it’s fucking hell”
2. Going Android for two Weeks
3. Rails + Google App Engine !?
4. iPhone Application Development Presentation