A free app for Android, by Anita iit.

Cloner, Dual Apps, and Games is a powerful and easy-to-use app that lets you run multiple accounts of the same app at the same time on a single device. You can easily switch between accounts to manage different accounts. Almost all social apps are supported, including Facebook, WhatsApp, Twitter, Instagram, Tik Tok, Vigo, Many Other Entertainment, and so on. You can also run games at the same time. You can even play with friends or other people from different cities and countries.

You can also clone games, like the most popular ones like Clash of Clans, Candy Crush, Farm House, Boom Beach, and so on.