Book Sketch supports up to 73 different languages such as Spanish, English, Portuguese, German, French, Turkish, Italian, Polish, Kurdish (Latin), Romanian, Dutch, Hungarian, Kazakh (Latin), Serbian (Latin), Czech, Swedish, Croatian, Slovak, Finnish, Danish, Lithuanian, Latvian, Slovenian, Irish, Estonian, Basque, Luxembourgian, and Icelandic in Latin and other scripts.
Please note that not all languages are available for all formats.