Develop a file management app which has following features:
1) Manage files in app and microSD inserted in a reader (plug to iPhone by lightning)
2) Play multimedia (video, music, photo) files stored in app and microSD
3) Encrypter files (Use iOS API and proprietary crypto libraries)
* Developer shall be familiar with ffmpeg.
** Developer shall be familiar with iOS accessory api. (To access microSD)
*** Multimedia files will be read from microSD via byte stream. Developer shall have knowledge about how play multimedia from byte stream data.
The app shall be similar with
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