Chrome CustomTabs for Android demystified. Simplifies development and provides higher level classes including fallback in case Chrome isn't available on device.
A small library to send an email in background without user interaction.
EasySettings is a library to help you add and maintain settings (AKA preferences) to your Android app. This library is designed to be as similar as possible to the "standard" way of creating and maintaining settings but much easier to implement and includes some extra features.
Available Settings (Quick Overview)