The download button opens the iTunes App Store, where you
may continue the download process. You must have iTunes installed with an
active iTunes account in order to download and install the software. This
download may not be available in some countries.
From Huiman He:
Cloud Music allows you to download music from your cloud storages. It supports Google Drive.It is easy to use and useful. You can enjoy listening to music without wifi.App features: Download music from your cloud storages. Play music offline with a powerful player. Provide 3 play modes: normal, single, shuffle. Manage your playlists.How to use:1. Click 'Sign in' button at the left top corner of 'Cloud' section.2. Connect to Google Drive and use your account. (If you have no account, you should register one.)3. Get songs from your cloud storage. (You should upload your preferred songs to your cloud storage by yourself.)4. Choose a downloaded song to play and enjoy it.