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
Although APK downloads are available below to give you the choice, you should be aware that by installing that way you will not receive update notifications and it's a less secure way to download. We recommend that you install the F-Droid client and use that.Download F-Droid