Barrier-free map for the mobility and safety of the transportation-disabled 1. Send text messages in case of emergency- Text can be sent to a pre-registered number when the user is not in a safe situation.- Contact registration and modification can be done in the ‘Emergency Contact’ menu.2. Risk report participatory safety guidance- If you see a dangerous place for the handicapped, you can take a picture at the place and report the risk factor.- If it is determined that the reported information is correct, it will be reflected on the map and you can check the details together through the warning marker.- To prevent misinformation, risk reporting photos can be registered only through real-time camera shooting. The location of the place where the photo was taken together and the reporting date are also saved.3. Convenience facilities and hazardous areas at a glance- Convenience facilities: wheelchair ramp, hospital/pharmacy/welfare center, electric wheelchair quick charger- Dangerous areas: areas with frequent bicycle accidents, danger reporting areas*Menu Composition: Notification, Emergency Contact, Report Risk, User Manual, User Review, Open Source License