You can't use android phones to access files on iCloud Drive as these mobiles are not compatible with iCloud accounts , inspite of it use iPhone , Mac and apple devices see this article Web-only access to iCloud - Apple Support
You can't use android phones to access files on iCloud Drive as these mobiles are not compatible with iCloud accounts , inspite of it use iPhone , Mac and apple devices see this article Web-only access to iCloud - Apple Support