The Windows Phone 8.1 SDK unveils most of Microsoft's plans for the next iteration of its smartphone platform, but there are a few things still up in the air.

Google’s new cross-device software development kit (SDK) is supposed to make it easier for developers to make Android apps connect across a range of devices, including phones, tablets, cars, TVs ...

Android 4.0 Ice Cream Sandwich SDK released with new features for developers A massive collection of screenshots from the Android 4.0 SDK emulator, including our favorite features and APIs.