dynamis

// launch FM App
navigator.mozApps.mgmt.getAll().onsuccess = function() {
  const appId = "app://fm.gaiamobile.org/manifest.webapp";
  var urls = [];
  var apps = [];
  var targetApp = null;
  this.result.forEach(function(app) {
    urls.push(app.manifestURL);
    apps.push(app);
    if (app.manifestURL==appId) {