You are downloading the N10 XAP file v188.8.131.52 for Windows Phone. N10 is a free and useful Lifestyle app: N10 is an unofficial app to control your Nest Learning Thermostat®.** The Nest user limit has been exceeded, I have put a request for more ... You can now download the offline XAP file to install & try it.
Download Locations for N10 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 N10 XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.