
Description: The Amazon Appstore is an app store for Android devices developed and maintained by Amazon. It provides access to hundreds of thousands of apps, games, and in-app purchases. A key feature is its integration with Amazon user accounts and services like Prime and Amazon Coins.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: ApkTrack is an open source Android app store and package manager that allows you to discover, download and keep track of app updates. It provides an alternative way to find and manage Android apps outside of the Google Play Store.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API