After lots of errors and problems I've been able to push the skin correctly to my device To correct the "Cannot run program "adb"" error: I added to 'Path' (environment variables) the location of adb.exe Also I corrected the "--version-code" error without modify the build.xml: I edited the skin_custom_rules.xml stored in skin_lib project on line 75 instead of <arg value="${version.code}"/> you should write <arg value="${project.version.code}"/> maybe someone could correct it even on Github. Please help! Having big difficulties with a skin! I had many errors, but solved some of them, having read this entire topic. Now at least I can generate debug.apk and other things. But other errors appeared, among them this one: