android android 6 beta bookmarks book network bookshelf bugfix comic book conflict delay dictionary djvu e-ink footnotes icon ios ipad iphone Japanese kindle linux litres macos major release major update material design meego memory card minor update mobipocket new release new year nook nook simple touch nst OPDS pdf plans plugin Portuguese premium premium edition sale sd card SDK site Spanish symbian sync synchronisation text-to-speech third-party translation tts tweet twitter windows phone yotaphone айпад айфон