
Description: Project Sandcastle is an open source app that allows you to install Android on certain mobile devices that originally ran other operating systems. It gives new life to older phones by letting you use Android instead.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Tizen is an open source operating system based on Linux and supported by the Linux Foundation. It is designed for a wide range of devices including smartphones, tablets, smart TVs, wearables and other IoT devices.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API