In the US, insults are not something for which you can be prosecuted. Calling someone a son of a bitch is not defamatory. No one believes you are really the child of a dog. So that is an opinion. Defamation requires a false factual statement. Truth is a complete defense.
What is Public Key Infrastructure (PKI)? Public Key Infrastructure (PKI) is a set of hardware, software, people, policies, and procedures needed to create, manage, distribute, use, store, and revoke digital certificates. In cryptography, a PKI is an arrangement that binds public keys with respective user identities by means of a certificate authority (CA). Wikipedia.org
About APK Studio. APK Studio is a cross-platform free and open-source tool that lets you decompile APK files and edit codes and resources and recompile it. You can call it IDE (Integrated Development Environment) which comes with complete user friendly GUI much like other common IDEs.PK Studio is Useful for: 1  Viewing the source codes and resources of Android apps. 2  Edit any existing APK file of which you donât have the source code/files. 3  Customizing or modifying an APK file.