page.title=Best Practices for Interaction and Engagement page.trainingcourse=true @jd:body <p>These classes teach you how to engage and retain your users by implementing the best interaction patterns for Android. For instance, to help users quickly discover content in your app, your app should match their expectations for user interaction on Android. And to keep your users coming back, you should take advantage of platform capabilities that reveal and open your content without requiring users to go through the app launcher.</p>