sony ereader can't use directory structure to navigate books in folders, everything on sd card is listed flat, this really limits its usability, and hard to have hundreds of books on sd card and navigate them
it uses linux os, just a matter of hacking the gui to display/navigate, for example first list top level folder/file names, hit button: if it's a folder list folders/files inside, if it's book then display book
although i can code, but disassemble the code is another thing
any good idea?