Since this is a third-party utility not hosted on official app stores, it is primarily available through community-driven developer forums and GitHub:
A versatile manager that can extract installed apps and compress them into a zip file for backup.
The tool is frequently reshared on sites like AndnixSH. Download Split APKs Packer app for Android zip
A mobile-friendly tool often used for merging splits or preparing apps for patching with ReVanced . Useful Context on Split APKs SAI: Split APKs Installer - Apps on Google Play
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: Since this is a third-party utility not hosted
You can often find the latest builds on release-apk.com (registration may be required).
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 Useful Context on Split APKs SAI: Split APKs
A similar open-source bash script to combine split APKs is available on TheArmKing's GitHub . Top Alternatives for Android