You are downloading the Windows FM Radio XAP file v184.108.40.206 for Windows Phone. Windows FM Radio is a free and useful Music app: Radio FM Tuner for Windows Phone.Requires headphones which are used as the antenna. A switch between headphones and speaker is not ... You can now download the offline XAP file to install & try it.
Download Locations for Windows FM Radio 220.127.116.11 XAP file
Note: To install it manually from an SD card, you should choose one of the server location above to get the offline Windows FM Radio XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.