http://www.wired.com/gadgetlab/2010/03/android-devices-crave-googles-attention/ http://www.wired.com/gadgetlab/2010/03/android-devices-crave... Google requires

http://www.wired.com/gadgetlab/2010/03/android-devices-crave-googles-attention/ http://www.wired.com/gadgetlab/2010/03/android-devices-crave... Google requires [for market access] “all hardware components have the same software APIs as defined in their SDK to be compatible,” says Kitagawa. “This provides consistency to third-party developers that access these components,” he says. That means devices always need to have some key components, such as touchscreens with a specified minimum resolution, a certain number of navigation keys, Wi-Fi, camera and accelerometer. Devices such as the Alex e-reader or a digital picture frame don’t conform to these requirements.