Contiguous simply means touching or sharing a border, according to Merriam-Webster. When it comes to the United States, contiguous refers to all of the states that touch one another, without another country or a body of water coming between them. These are sometimes also referred to as the lower 48 states.
.apk extension stands for android package file. It is a file format used to distribute and install applications.It includes the programm codes ,assets ,resourses ,certificates and manifest file. .Dex extensions stands for Dalvix Executable files.
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.