1 Black skin and Asian skin have thicker and more compact dermis than white skin. This is also why blacks and Asians have fewer facial wrinkles than whites.  Black skin has more casual lipids and more moisture in the stratum corneum than white skin.
A software development kit (SDK or  devkit ) is typically a set of software development tools that allows the creation of applications for a certain software package, software framework, hardware platform, computer system, video game console, operating system, or similar development platform.
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.