4. Google Nexus
New to the tablet market since the previous year, Google Nexus jumped from nonexistent to claiming 12.7 market share points. The Google Nexus 7 tablet, made by Asus, was the No. 3 best-selling tablet overall in the month of May. The 7-inch, 16-GB tablet was the first to ship with Android Jelly Bean 4.1. After the original Google Nexus 7 Tablet proved popular, an all-new Google Nexus 7 tablet was released in July, loaded with Android 4.3 Jelly Bean.