"Go To Next Spot" is an Android app that can help you find your locations at worksites.  It was originally developed for geotechnical engineers/geologists who conduct field explorations and site reconnaissances, but it can be used by anybody who needs to find his/her locations at worksites.  Just input the latitudes and longitudes, and the app can guide you to the vicinity of your locations using the GPS system in your phone.  No more pacing and guessing.  Some of the features include: