The Android application that replaces handheld GPS is a convenient and powerful solution for those who love outdoor activities such as trekking, forest trekking, mountain climbing, cycling or marking coordinates for field work. The application is also designed to be friendly with an intuitive, easy-to-use interface, suitable for both beginners and professional users. By taking advantage of modern hardware power and connectivity of smartphones, this solution is not only cost-effective compared to buying a dedicated GPS device, but also brings outstanding flexibility and utility to users in many outdoor situations.