This is the Android SDK for Ringcaptcha. With this SDK, developers can access and integrate the functionality of Ringcaptcha with Android applications and devices through Java. Ringcaptcha is a service that brings phone-based verification to any website and mobile application. Ringcaptcha can be used for authentication, marketing, verifying ownership, and more.
Google today opened up its Android Instant Apps tool to all developers, allowing any app writer to create and publish an instant app. The idea is to increase the likelihood that people will find your app and, based on a preview within the browser, elect to install it. Who doesn't want more installs?