Essential free productivity apps for Android tablets
Note that some of the programs are also available for Android phones as well as for the iPad, iPhone, and other devices. Several also have paid versions with more features. I tested only the free versions on a second-gen Nexus 7 running Android 4.3 ...
Android Hybrids: An Experiment in Productivity
Android is Still Missing Top iPad Apps
Canalys: Android lacks the 'rigorously managed, high-quality, optimized' apps ...