Double checked and the lib source is indeed under <FLEXJS_INSTALL_FOLDER>\frameworks
Updated project .rar is here <https://onedrive.live.com/redir?resid=CF33E75095D2FE01!5077&authkey=!AFQud2a-cGQcCk0&ithint=file%2crar> I'm using the nightly build downloaded on Aug. 19th 2015. -- View this message in context: http://apache-flex-users.2333346.n4.nabble.com/Can-FlexJS-Be-Used-for-Mobile-AIR-tp11022p11046.html Sent from the Apache Flex Users mailing list archive at Nabble.com.