Times of India
Android signs up for official default setting for ...
Google said in an Android Developers Blog post Monday that many Android SMS apps improperly used "hidden" or "private" APIs, which are a protected class of APIs for accessing core system functions such as Wi-Fi radio usage or touch-screen input values.
Android KitKat 4.4: New default texting option revealed
Android 4.4 KitKat and Nexus 5 Clues Point to Possible Launch Dates
Android KitKat wants to give you more choice when it comes to texting