Browser.installCrosswalk = function installCrosswalk(appDirectory, version, saveToPackageJson, isLiteVersion) {

  var info = IonicInfo.gatherInfo();
  var semver = require('semver');

  if (!info.cordova) {
    var cordovaMessage = 'You must have the Cordova CLI installed (npm install -g cordova)'.red.bold;
    events.emit('log', cordovaMessage);
    return Q(cordovaMessage);
  } else if (semver.satisfies(info.cordova, '5.0.x')) {
    return Browser.installCordovaCrosswalk(appDirectory);
  }

  events.emit('log', ['You are running Cordova CLI', info.cordova, '- installing Cordova Android and Crosswalk manually'.yellow.bold].join(' '));

  return Browser.downloadFiles(appDirectory, version, isLiteVersion)

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