My app does not work all the time, for starters.I REALLY wish the app would allow me to select different sources, because:A. The buttons on the remote that came with my TV are too small and too close together.B. The buttons on the remote that came with my TV are not illuminated, causing me to frequently choose the wrong button in the darkC. The buttons on the app are easy to see, but because the source button is not offered, I have to have the TV remote beside me even when I use the app.D. My cable service is Comcast, and they offer a slick voice-operated remote. That device sometimes does not understand my choices, but it is improving. Still, it will not allow me to select different sources on the Samsung TV. So that’s two remotes that I need in addition to the Smart Remote App.E. I have a Blu-Ray disc player. The App does not provide any control over my player. That’s three remotes plus your app.You can see a pattern here. Study Sony remotes to improve your product.