1. Support Korean. In order to support more languages, modify the language selection method
2. Fix the error When open the "Settings" section and then click on the "Saves" button
3. Add support for load the fonts from USB.
   The system automatically reads the font from SD and USB, If there is no font, use the embedded English font
4. When selecting files, cue files are displayed first, and other files with the same name are not displayed