Google attempts to stymie Android fragmentation by locking down the Android SDK
A new clause in the Android SDK's terms of service hints that Google's open-source operating system might not be as free as developers, OEMs, and users might hope. This has led some bearded developers to claim that the Android SDK is now “proprietary.” ...
Shocker: Android SDK binaries still proprietary
Latest Terms for Google's Android SDK Makes It Less "Free"