public String runApp() {
		try {
			Process ls_proc2 = Runtime.getRuntime().exec(
					"java " + appPath + " &");
			DataInputStream ls_in = new DataInputStream(
					ls_proc2.getInputStream());
			StringBuffer sb = new StringBuffer();
			try {
				String line = null;
				while ((line = ls_in.readLine()) != null) {
					sb.append(line + "\n");
				}
			} catch (Exception ex) {
				return "wrong";
			}
			String s = sb.toString();
			return s;
		} catch (Exception e) {
			return "wrong";
		}
	}