Yes anyone can download any kind of tracker for the device, may that be of freeware sites and web-pages, the internet GooglePlay Market or IOS market.
The installation process take small amount somewhere about 10 minutes. Depending on the application size which can be from 3 -5 MB to 60MB the download is really fast. Setting up the application to work properly and testing can take up to 20 minutes of your time.
Settings which you need to adjust are the number of the users on the phone, who will use the phone and who you are going to track. What data are you going to track, SMS messages, calls and contacts, location on the map or every data stored on the smart phone.
Some application require sign up subscription to one of their sites in order to allow secure cloud storing service and real time and off line view of the monitored and logged data stored on these servers.
The sign up process require your name, address, email address and other personal information which you decide to share or not.
Some non-modern android phones don’t have built in GPS tracker, but you can install trackers on them also, and they will use the internet, wired or wireless connection, internet IP address to determine your current and future location.
In order to install tracking application you need to have admin privilege on the smart phone, or be an administrator the owner, you need to be able to know the password to unlock it.
Non-owners cannot install any tracking apps on your phone and they cannot do that remotely they need to have physical access to the device.
Use of GoogleMaps and tracking is available on any devices, from the old legacy outdated device to the most modern technology running android 5 and up.
Some have GPS built some don’t but you can get details about your whereabouts with the use of the network if you can access to it.
But today there are small number of devices which do not have built in GPS device, so you don’t have to worry much about having the required hardware in order to enable it’s users tracking features, and sharing the location to your friends, social media, parents and other.
To be able to install GPS tracker on your Android device you must own the smart phone, have access to any kind of internet connection from which you will download the application, the device should have the necessary GPS hardware, and the user should confirm the required permissions in order the application to work.
There are not any kind of limit of age, location, of the user. And it doesn’t matter from which source you gonna get the application.