Check MBook created using MLayout publishing solutions for mobile devices and the apps that can test. Please refer to MBook Editor User Guide included with the app For more information, please visit the http://www.soluwin.co.kr/. Thank you. After running application Simply connect an external hard mbook Please copy the compressed files of a folder you want to check in MBookTester If you re-executed app, you can check the mBook. mBook 1.0 and 2.5 content, all content can be tested.