> Can anyone tell me which other "large" projects have this capability? I'd say that all popular apps (Android/iOS) have such functionality. Most will probably

> Can anyone tell me which other "large" projects have this capability? I'd say that all popular apps (Android/iOS) have such functionality. Most will probably use it for A/B testing, but technically you could change anything you'd like with it. Apart from the companies creating their own implementations [0], popular services I have seen include Optimizely [1] and Firebase Remote Config [2]. [0]: https://engineering.fb.com/2014/01/09/android/airlock-facebook-s-mobile-a-b-testing-framework/ https://engineering.fb.com/2014/01/09/android/airlock-facebo... [1]: https://www.optimizely.com/products/intelligence/full-stack-experimentation/ https://www.optimizely.com/products/intelligence/full-stack-... [2]: https://firebase.google.com/docs/remote-config/ https://firebase.google.com/docs/remote-config/