This app is Open Source and does not have internet permission.
It allows you to view installed app bundles and their APK splits by name. Optionally, you can share this information with others. There are no other features.
If you select share by email, you can share your app bundle information with the developers of Seedvault Android backup, so they can improve their app.
Source code available at: https://gitlab.com/grote/app-bundle-reporter