Google’s Android operating system currently holds over 60% of the market share of mobile and tablet devices. That’s a lot! The second most popular mobile operating system is Apple’s iOS, which has 33% of the market. But understand Android is hard, even for the savviest email geek. That’s why many marketers feel uncomfortable troubleshooting email and talking through Android strategies with clients or developers.
Link: 3 Keys to Understanding Email Rendering on Android