Beta Region was setup after the last beta update. It was setup for the purpose of testing a new feature called Faction Wars.
Current testing is only available to Android users. Below is a mesage fromScopely .
While we’d love to run the beta program for iOS users, it would mean adding weeks to the production of every new feature, and we’d rather test the (relatively small variety of) iOS devices internally, and bring the features to the entire audience in a more timely fashion.