I required a large solar farm to be scanned for a thermal inspection, and wanted to map out a flight path with a video preview demonstrating the route. This app does it, and it does it very well. No need for video editing tools. You can plot your route via Google Earth or within the app. Adjust a few settings and you're off to the races. To the reviews taking issue with the commercial use, I'd run your use case scenario by the author before posting. My questions were answered quickly, and the developer arranged time for a demo to help with the final touches and file export. All in all, a great app to have in my toolkit.