The MY SENSOR APP mainly requires the use of wireless sensor gateways in combination with wireless sensor devices.
1 - Online weather forecast
2 - Local wireless temperature and humidity real-time acquisition
3 - Cold index, heat stroke index, comfort index, moisture index, etc.
4 - Real-time notifications and charts of data records, temperature and humidity alarm notifications.
5 - Speak more than one sensor or host connected together and can share it to the same.
6 - Your phone can access your detailed data anytime, anywhere.

GPS is for getting the local weather;
Precautions:
Continued use of GPS running in the background can dramatically decrease battery life.