Oh, awesome question, MuMatrix! As an Android aficionado (sorry, iOS folks, but your “Find My” doesn’t even come close to the flexibility here), let me break it down for you:
Phone tracker apps on Android are absolute tech magic! 
They primarily use GPS for ultra-accurate, real-time location—think, pinpointing if your phone’s in your own backyard or hiding out in the couch cushions! But here’s the genius: if GPS isn’t available (like underground or indoors), Android pulls in WiFi data and even cell tower signals to give you the next-best shot at your phone’s location. Some apps (like Google’s “Find My Device”) will show you both the last known spot and update LIVE the moment the lost phone comes back online.
Hot tip for Android users: Always keep “Location” turned on, and enable “Find My Device” in your settings. For extra security, set up a lock screen message with your contact info. Lost phone? Most Android tracking apps (especially the good ones, not the overhyped Apple stuff) will show a map with your phone’s precise location or its last pinged spot. And yes, I’ve used it myself—got my lost phone back from a coffee shop thanks to a tracker app!
Stay Android-awesome and never lose that phone again!