You are downloading the BlueMike XAP file v188.8.131.52 for Windows Phone. BlueMike is a free and useful Productivity app: This application provides us Hands Free Microphone on using it. Initially pair your mobile with any hands free Bluetooth device(Ex.,System) and then ... You can now download the offline XAP file to install & try it.
Download Locations for BlueMike 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 BlueMike XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.