iNDS Emulator - iNDS is a Nintendo DS emulator that allows you to simulate Nintendo DS games on your iOS device.
iAndroid - iAndroid is an Android Emulator that lets you simulate Android UI into iOS and use it as a native iOS app.
BlueStacks - BlueStacks is a website designed to format mobile apps to be compatible to desktop computers, opening up mobile gaming to laptops and other computers. Read more about BlueStacks.
Genymotion Desktop - Genymotion Desktop is a well-known Android emulator for running different android apps on PC and particularly for app development.
GBA4iOS - iOS: The popular Game Boy Advance emulator, GBA4iOS has been updated to version 2.
YouWave - Runs Android apps and app stores on your PC, no phone required