Do you want to know what your girl is typing? Use Hoverwatch freeandroidspy https://www.hoverwatch.com/free-cell-phone-spy !
It’s possible that the app will not give you all the information that you need, but you may want to go on your girls phone and find out what she have been doing firsthand. You can do that with the keyboard tracker that tells you which keys your kids pressed and when.
Through its phone call monitoring and recording features you may be able to reveal many good patterns pertaining to the times of calls, callers, and even the duration of the call.