Hello, welcome to the Buildbox forum, please see several tutorials before asking questions. https://www.buildbox.com/tutorials/ https://www.buildbox.com/buildbox-1-tutorials/ https://www.buildbox.com/guides/ https://www.buildbox.com/manual/ And very important, use the search engine. https://www.buildbox.com/publish-android-build-for-google-play/ Follow the tutorials... http://buildbox.com/forum/index.php?threads/are-there-any-bb-code-helpers.482/#post-2893 http://buildbox.com/forum/index.php...pse-java-and-android-sdk-video-tutorial.2794/ INSTALL ONLY JAVA JDK1.7 If you still can not create the APK, I suggest that you hire the services offered in www.BBriver.com you can make the purchase to create the APK (Includes 10 updates).