It is well known that smartphone operating systems persistently store location information in their local storage for various reasons. However, less well known is probably the fact that also various applications do this, too. In this article we will give you some hints where you can find this data on Android smartphones as well as we will present a system with which all this information can be extracted and visualized at the same time. We will also provide you with a comparison of the quality and quantity of location data gathered through data retention in contrast to the data gathered by forensic acquisition.
Our whole article can be read here.