We develop this very simple app as an offline map from open data online, to help people feel relax and stress-free while traveling. We get you free from,   * Unstable and not connected internet   * To save cell data and battery life.When you ’re making a long journey that could be the difference between arriving at your destination on time and seeing your phone die en-route.   * Cutting down on roaming costs while traveling   * Faster loading times   * Worrying to be lost in a new city   * Anxi