Apple has changed the App Store rules to allow console emulators on iOS.
Previously, the company always blocked game emulators. Sometimes developers got around this limitation by creating regular applications and adding emulators to them.
Additionally, retro gaming console emulator apps may offer game downloads.
Apple
However, there is one important detail in the new rules. Apple warns that developers are responsible for all games offered on their emulator. This raises the question: Do you need to own the rights to games in order to release an emulator with them? Probably yes. [9to5Mac]
Source: Iphones RU

I am a professional journalist and content creator with extensive experience writing for news websites. I currently work as an author at Gadget Onus, where I specialize in covering hot news topics. My written pieces have been published on some of the biggest media outlets around the world, including The Guardian and BBC News.