A basic mock location app like this labels its output locations as fake to the operating system. https://developer.android.com/reference/android/location/Locati

A basic mock location app like this labels its output locations as fake to the operating system. https://developer.android.com/reference/android/location/Location#isMock https://developer.android.com/reference/android/location/Loc...() will return true. Apps can choose to ignore the fake locations and use a last known location instead. So maybe it's just displaying the last known location, rather than somehow getting your current location?