Secure USB flash drive

Change the application to correspond to the use of secure U disk. All rummy app list is an app dedicated to playing the content of secure U disk.

This application is a dedicated player for secure USB flash drives and requires access to secure USB flash drive hardware to play. When used, the USB flash drive will be connected to the mobile phone through a type c adapter. Currently supports video, audio, and pictures, and more formats will be supported in the future.