SD Card APIs to create/write/delete files
In my application some data required to save on disk, There is limited storage in Phone memory, I just need api to write or create files folder wise on external memory like memory card..
Paul Willies commented
This is a crucial omission in the Windows Phone landscape. We are developing a WP8 app to download and play sign language videos (for the deaf). The downloads are disallowed because you cannot write to the SD card.
I hope you don't mind, but I tweaked the title a touch