You are downloading the My Mirror XAP file v188.8.131.52 for Windows Phone. My Mirror is a free and useful Lifestyle app: //ATTENCTION: My Mirror for Windows Phone 8.1 will be retired in August 2017. Windows 10 will be required for updates and support. Thanks ... You can now download the offline XAP file to install & try it.
Download Locations for My Mirror 184.108.40.206 XAP file
Note: To install it manually from an SD card, you should choose one of the server location above to get the offline My Mirror XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.