PackageManager pm = getPackageManager();
        List<ApplicationInfo> apps = pm.getInstalledApplications(0);

        List<ApplicationInfo> installedApps = new ArrayList<ApplicationInfo>();

        for(ApplicationInfo app : apps) {
            if((app.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) == 1) {
                installedApps.add(app);
            } else if ((app.flags & ApplicationInfo.FLAG_SYSTEM) == 1) {
            } else {
                installedApps.add(app);
            }
        }

				if ("Remove".equals(n.getAttributes().item(0).getNodeValue())) {
					String removeAPK = n.getFirstChild().getNodeValue();