I have a Nightowl DVR camera system I installed at my office and there is a Nightowl app that works great with it on my Note 3. I have installed a Rosewell DVR camera system at my house which does not have an app. I have tried several in the playstore and none really work well. The one that I have used is Asee and it works about 30% of the time. Just doesn't show camera streams. So, is there a really good app that you use and know will work with these DVR systems? Not an IP camera app. The nightowl app will not work with my Roswell system...says its not a nightowl system.