For those who have an FM transmitter like me, you wanna know what's the best station to turn into, so that way it will sound clear and good. With this shortcut, it will use your location, and will work with radio- locator.com to show you details. It will tell you which has the best, the good and great stations to toon to, so that way it will sound clear. It will also show you colors that indicates strong or weak interference. So if you're at home just using your transmitter or you're traveling, you'll want to use it to get accurate information about what to do too. U.S only. useful if you're at home using one or just traveling around the road using it. If you encounter issues make sure to leave feedback down below.