Android Development Center
Adding Basic Android Text-To-Speech to Your Apps
Learn to implement Android's Text-To-Speech functionality into your apps.

OAuth with Xamarin Forms Passive Authentication for iOS Apps
Learn how to do a passive authentication in Xamarin Forms for iOS.

Working with a Camera in Android
Harness the basics of what the Android Camera API can do, and see some code to assist you.

Determine what sensors your mobile device has, and then learn to leverage them.
Face it, a lot of Kindles have been sold. While most developers have had few problems transitioning apps to run on the Kindle Fire HD tablets, Amazon has identified a few development tips you can use to deliver a great experience on the HD tablets.
The i'm Watch smart watch for Android is a good concept that perhaps was too ambitious in its first iteration.
Motorola recently released a special API that Android developers can use to integrate the ATRIX fingerprint reader into their Android apps. Learn how to use it!
Google TV isn't dead yet. Now is the time to update your Android applications to support the rejuvenated Google TV platform.
Amazon Appstore for Android has become a very popular way to publish and distribute Android applications. This is good for Android developers, right?
Learn about the most popular publishing channels to get your killer Android applications in front of consumers.