You are downloading the PinIt XAP file v220.127.116.11 for Windows Phone. PinIt is a free and useful Social app: PinIt app allows users to create and manage theme-based image collections such as events, interests, and hobbies. Users can browse other pinboards ... You can now download the offline XAP file to install & try it.
Download Locations for PinIt 18.104.22.168 XAP file
Note: To install it manually from an SD card, you should choose one of the server location above to get the offline PinIt XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.