A software program on Apple’s mobile operating system that mimics the hardware and software environment of a different system. This allows users to run applications and games designed for other platforms, such as classic video game consoles or older operating systems, directly on their iPhones or iPads. For instance, one might use such a program to play retro games originally developed for a Nintendo Entertainment System on an iPad.
The ability to execute foreign code on iOS devices offers several advantages. It provides access to a wider range of software titles, extending the functionality and entertainment options available to users. Historically, the desire to experience legacy software on modern hardware has driven the development and adoption of these tools, fueling a vibrant community focused on preservation and access to digital content. The ongoing interest underscores its enduring value.