We all know that APK is actually a compressed file package, so we can extract the files directly from the APK file using the file decompression software like 7-Zip, WinRAR. However, the XML files in the source files obtained in this way are encrypted and cannot be directly viewed. So we need to resort to some specialized APK decompilation tools.

Ghidra is a free and open-source software reverse engineering (SRE) framework for Windows, Mac and Linux platforms, developed and maintained by the NSA (National Security Agency) of United States in 2019, written in Java. It is regarded as currently the only thing that can compete with IDA Pro by many security researchers and software developers.

The lifecycle of a software product is accompanied by the release of different versions, and each version has some changes from the previous version. For example: modified part code of the executable file, added/deleted/replaced some files. A common way for software authors or publishers to update their products is to release a brand-new installer, or just an update installer. But it is often inefficient and wasteful, especially when there is just little content to be updated.

Install Creator (full name: Clickteam Install Creator Pro) is a small, handy but fully-functional and powerful installer creation tool, designed to quickly build program installers in a simple way. It comes with a simple and intuitive user interface, as well as a high file compression rate, and provides wizard support, so that novice users can follow the wizard to complete all configurations step by step.

Source Insight is a very powerful and popular programming editor, code browser and analyzer. It comes with many advantages, such as rich programming languages support, convenient functions, fast source navigation, real-time context display, independent symbol database, etc., and is widely welcomed by programmers all over the world. It's definitely one of the best programs of its kind.