The Parse.ly Android SDK by Parse.ly allows API communication to access data analytics that developers can implement into mobile applications. It includes instructions to integrate with Eclipse, initialize, and maintain pageview events.
Flexpaper is an open source document viewer--and it is beautiful. The Flexpaper API lets you incorporate your publications into other applications. Flexpaper works on virtually any device and is, no surprise here, flexible. It can display in HTML, HTML5, Adobe Flash or any combination of these.