
The Delta iOS app update introduces native iPad support, allowing users to play multiple games simultaneously. It also includes features like Stage Manager support, Handoff, and Split View, enabling users to run emulated games across multiple windows4. Additionally, the update brings a redesigned app logo.

EU users can access the new Delta update immediately by downloading it via AltStore PAL. The update introduces native iPad support, allowing users to play multiple games simultaneously, and features a redesigned logo.

Apple rejected the current version of Delta 1.6, and the reason is not explicitly stated in the provided context. However, it could be due to the company's policies or guidelines for app submissions. Users in the EU can download the update immediately via AltStore PAL, but everyone else will have to wait for App Store approval.