Even if you use 3rd party apps, Google location services will side step your mocked location. Apps can detect mocked locations, as well.
Pretty sure SafetyNet, or something like it, from Google will also tattle on you if you spoof your location in apps that don't want you using mock locations, preventing you from using mock locations at all with apps.
Pretty sure SafetyNet, or something like it, from Google will also tattle on you if you spoof your location in apps that don't want you using mock locations, preventing you from using mock locations at all with apps.