You can use this free spy apps for android https://www.hoverwatch.com/free-cell-phone-spy to spy on your guy's phone so you know who they text and what's going on. If you want to track an Android smartphone and get all the basic functionalities such as GPs tracking, see online conversations, browsing history etc. then you might go for Hoverwatch spy app. It’s available on all platforms, you can even monitor your guy’s PC.