You can stop this application by accessing Application manager from Settings menu. Tap on the app and then click uninstall and follow the next steps. It will be removed from your phone. Tips to keep a good battery life:
- disable Google location from Location and Privacy
- disable Wireless continuous scanning from Settings > Wireless > Menu > Advanced
- turn automatic brightness on and set a lower value from Settings > Display > Brightness
- set display time out to 30 seconds.