Use APKPure App
Get GPS Keep On old version APK for Android
It keeps your GPS on!
A simple app to keep your GPS on.
If you find that your favourite navigation or tracking app loses the GPS when it's not actively navigating or tracking, you can use this to keep the GPS switched on.
Black icon - not using the GPS.
Yellow icon - using GPS but not very accurate yet.
Green icon - using GPS and accuracy better than 10m.
Obvious caution: The GPS uses the battery...