The answer lies in the open-source flexibility of the Android operating system. While iOS offers a "walled garden" of security, Android allows for deep file access, script injection, and community-driven modding. The "Ultima" version is not an official Google Play Store release (though it uses official assets). It is a community-driven "super mod" that combines the official Premium unlock with fan-made scripts that the developer, Maxim Karpenko, allows as long as they don't breach core monetization.
Unlike the restricted file system on iOS, Android allows users to manage their WorldBox save files, export maps, and share them with the community. This is crucial for "Ultima" players who want to save a world with 50,000 active units and share it. Direct Access to Content world box premium ultima version android exclusive