A latest location-based games are use "Fused Location Service" to obtain your current location information directly and from other services . AntennaChan helps the pre-work to achieve a more precise location information.
It will delete the old Satellite (Assistant GPS, A-GPS) data and update with the latest data. You can get 10 minutes of the most recent information about Satellites above your head (Internet connection required).
* At first, It will try to get using a WiFi and mobile Cell ID for rapid response. At the same time, It will try to obtain the correct information from the GPS accuracy more but it will take time bit more. (WiFi & GPS ON required)
* If the app is installed already, That will be run automatically.