Since this is a third-party utility not hosted on official app stores, it is primarily available through community-driven developer forums and GitHub:
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:
You can often find the latest builds on release-apk.com (registration may be required). Download Split APKs Packer app for Android zip
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. Since this is a third-party utility not hosted
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
The most popular open-source tool for installing .apks and .xapk files. It is available on the Google Play Store , F-Droid , and GitHub . A mobile-friendly tool often used for merging splits
A similar open-source bash script to combine split APKs is available on TheArmKing's GitHub . Top Alternatives for Android