How to Install GPS on Someone’s Mobile Phone. Using mobile phones has brought us much convenience when it comes to contacting a person regardless of their location. Yet, from time-to-time, we may actually need to know their location and are unsure how to track them. Today, there is software that brings us that convenience of being able to keep tabs on our loved ones. This capability brings peace of mind, especially when it comes to our children and significant others. Software for mobile cell phones deliver many features. Not only can you view text messages, call logs, social media chats but you can locate the device of your person’s GPS location.