Wizard encapsulates navigation operations between fragments of an activity using BackStack.

ExceptionWear is very simple library to solve problem of not passing exceptions from Android Wear devices to the phone. So if you release an app for smart-watches to Google Play and it will crash (and it will) you won't get any information about it.

ASignature is a library for drawing smooth signatures. It uses variable width Bézier curve interpolation based on Smoother Signatures. It works from API 8+ and doesn't depend on any external libraries.

QuickScroll is a library aimed at creating similar scrolling experiences to the native Contacts app's People view. It has the same scrolling capabilities as the ListView's native fast-scroll, but comes with a much a much more customizable design, two indicator styles and an always visible scrollbar. The two most common modes are popup and indicator. Works seamlessly with ListView and ExpandableListView.

ParallaxViewPager is an easy-to-use ViewPager subclass with parallax background.

Android - MaterialPreference

• A simple backward-compatible implementation of a Material Design Preference aka settings item
• XML layouts are taken from Android Platform Framework Base