
Description: MicroEmulator is an open-source Android emulator designed for testing and debugging Android apps. It provides a lightweight emulator environment that can run on computers with limited resources.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: SjBoy is a lightweight Java emulator for old systems, focused on accuracy and performance. It aims to emulate systems like the original Game Boy to play classic games.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API