You are downloading the Ringtone Maker XAP file v184.108.40.206 for Windows Phone. Ringtone Maker is a free and useful Music app: "With Ringtone Maker, you can create ringtones and notification alerts from the music on your phone. Simply open the app, select your favorite ... You can now download the offline XAP file to install & try it.
Download Locations for Ringtone Maker 220.127.116.11 XAP file
To try to install it manually from an SD card, you should choose one of the server location above to get the offline Ringtone Maker XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.