gistfile1.js

var fileTransfer, uri;

function downloader(filesURLs, cloneArray){
  if(cloneArray){
    // Do not manipulate old memory
    cloneArray = Array.prototype.concat.call([], filesURLs);
  }
  
  if(cloneArray.length === 0){
    // End on done loop
    return false;
  }
  
  fileTransfer= new FileTransfer();
  uri = encodeURI(cloneArray.shift());
  
  fileTransfer.download(
      uri,
      fileURL,
      function(entry) {
          console.log("download complete: " + entry.toURL());
          // Download next URL
          downloader(filesURLs, cloneArray);
      },
      function(error) {
          console.log("download error source " + error.source);
          console.log("download error target " + error.target);
          console.log("upload error code" + error.code);
          // Download next URL
          downloader(filesURLs, cloneArray);
      },
      false,
      {}
  );
}

/**
 * fulesURLs = ["http://some.server.com/download-1", "http://some.server.com/download-2"];
 * 
 * downloader(fileURLs);
 */