ACVTool is a sophisticated bytecode instrumentation tool designed for highlighting instruction coverage in Android apps. In 2024, ACVTool received a major update unlocking smali coverage analysis for modern complex Android apps. Now, ACVTool supports Multidex and Multi-APK applications of any size. Secondly, ACVTool can highlight a particular feature, e.g. to see the code actually executed when tapping a button. To further depict selected app behavior, ACVTool may partially shrink not executed code. ACVTool works on 3rd-party Android without source code, and it does not require a rooted device.