This application uses the mobile phone number to find the corresponding location record information, so you can not only record your own location information, but also help friends around you to record the places they have been with. You can use information notes to record meaningful things that happen in a certain place. For example, when we travel, we often forget where we have been. With this application, it is much more convenient. It can record the location of tourist attractions , Record the specific location we visited at a specific time, so that we can check and recall later, it is very simple to use, and it is very convenient to find the location record.