When you see these technical specifications in a filename, they refer to three critical compatibility requirements:

This specifies the minimum or target operating system version. Apps built for Android 13 (API Level 33) include specific privacy and security features that may not function correctly on older devices.

Downloading an APK file labeled indicates you are looking for a specific version of an application tailored for modern, 64-bit hardware and a recent Android operating system. While these labels help ensure compatibility, they are often used in third-party download sites that carry significant security risks. Understanding the File Labels

This refers to the 64-bit processor architecture used by nearly all modern smartphones. An "Arm64" APK is designed to take advantage of faster processing and better memory management compared to older 32-bit (ARM) versions.