This library focus on giving tour about your application and its features. You can highlight the where to tap to enable or disable the feature. Show the first time user, how to use the feature by showcasing the feature step by step.
Universal router comes with two flavor, the core module which basically a link router that can convert your URI to whatever you need, and the Android module which more opinionated to how you can use it to help you solve your navigation problem.
AppLocale is a android library to update the app language dynamically.