Some verified repacks come as a ZIP file.

: Specifies the processor architecture. Most modern Android phones use 64-bit ARM processors.

After installation:

With the issue resolved, John's team was able to release an updated version of their app, which was now compatible with the latest Android versions and architectures. The app's users were thrilled to have access to the new features and improvements, and John's team was hailed as heroes within the company.

Indicates the APK contains resources (like icons and images) that are not optimized for a specific screen density, allowing it to work across all screen types (e.g., small phones to large tablets).

with known good version from APKMirror

. A "NoDPI" (No Dots Per Inch) variant contains all necessary graphical resources for any screen resolution, from low-end to 4K displays. While this makes the file size larger, it ensures the app looks correct on any device. Android 9.0 (API Level 28): This is the minimum operating system