Here, a new Dalvik bytecode decompiler, GDA（this project started in 2013 and released its first version 1.0 in 2015 at www.gda.wiki:9090) , is proposed and implemented in C++ to provide more sophisticated, fast and convenient decompilation support. GDA is completely self-independent and very stable. It supports APK, DEX, ODEX, oat files, and run without installation …