Quantus Tasks
No, the Omni Group hasn’t decided to go cross platform and release their apps for Android, but yes, there’s now a way to get your OmniFocus database on Android: Quantus Tasks. A brand new app that was originally named AndroidFocus that was quickly renamed to avoid confusion, Quantas Tasks lets you view all of your OmniFocus projects and tasks on your Android device, add new tasks, and more. It doesn’t support attachments or recurring tasks yet, but the developer’s promised to add that soon.
This is possible because of the open file format that OmniFocus uses. Now I’m no longer sure which app I’d miss the most if I switched to Android.