The android police thread named "external-blues-google-has-brought-big-changes-to-sd-cards-in-kitkat-and-even-samsung-may-be-implementing-them" seems to sum things up less emotionally:
This implies, as many posts point out, that some of our most useful tools (file managers, backup apps, ...) will no longer work.
- An app without any permissions has automatic read and write for designated private folders on the primary and secondary storage
- An app with WRITE_EXTERNAL_STORAGE, also has:
- Read and write for any public folder on the primary (built-in) storage
- Read (not write) for any public folder on the secondary (SD card) storage
But I'm not seeing that - FX, even in non-SU mode, can still create folders and files and copy between cards, for example.
So what IS the (full) truth, and how does this affect Omni?