This is the source for the App of the glorious AzTube Azubi project from some awesome guys by censored Currently only Android is supported, but there maybe will be an IOS Version in the future.
Download the latest version from the release page here. Open it with the Installer on your smartphone, maybe you have to allow unsecured Apps or apps from unsecured locations.
This App is build with flutter for more information about building read here for Android.