Since this is a third-party utility not hosted on official app stores, it is primarily available through community-driven developer forums and GitHub:

The tool is frequently reshared on sites like AndnixSH.

The most popular open-source tool for installing .apks and .xapk files. It is available on the Google Play Store , F-Droid , and GitHub .

You can often find the latest builds on release-apk.com (registration may be required).

If you are looking to or extract split APKs directly on your Android device rather than merging them into one file, these apps are more standard:

A versatile manager that can extract installed apps and compress them into a zip file for backup.

is a specialized utility used to merge multiple split APK files—which usually come from Android App Bundles (AAB)—into a single, universal APK file. While the original development is often attributed to the release-apk.com community, it is widely shared as a portable tool for Windows and sometimes referenced for Android-based workflows. Where to Download