The phrase in question relates to obtaining a specific application intended for use on Android operating systems. “APK” stands for Android Package Kit, the file format used by the Android operating system for distribution and installation of mobile applications. The numerical component and the initial word likely denote the name of the application itself, implying a downloadable file used to install the application on a compatible device.
Acquiring this type of file allows users to install applications not available through official application stores. This can provide access to specialized content, region-locked software, or earlier versions of an application. Historically, side-loading applications via this method has provided avenues for customization and access beyond the curated experience of standard app marketplaces. However, it also introduces potential security considerations.