You are downloading the SayHi XAP file v188.8.131.52 for Windows Phone. SayHi is a free and useful Social app: "SayHi can help you find new people nearby! It helps you find love by chat, meet and date new friends!You're going to fall in love with SayHi ... You can now download the offline XAP file to install & try it.
Download Locations for SayHi 184.108.40.206 XAP file
Important Notice: Now Due To Unspecified Limitations, You Can Not Use The Offline XAP File To Install It Any More.
To try to install it manually from an SD card, you should choose one of the server location above to get the offline SayHi XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.