You are downloading the GrubHub WebApp XAP file v1.0.0.0 for Windows Phone. GrubHub WebApp is a free Lifestyle App: This WebApp brings the GrubHub mobile website to your Windows Phone. Get $5 off your first order of food at bit.ly/GrubWP8 Get the convenient access to. You can now download the offline XAP package file to install & try it.
Download Locations for GrubHub WebApp 1.0.0.0 XAP file
Package File
Please Click Here > to retrieve available package files for GrubHub WebApp.
Please be aware that the GrubHub WebApp XAP file you are to download is hosted on the Microsoft Store CDN server. You can read more about GrubHub WebApp or get it on Microsoft Store.
To try to install it manually from an SD card, you should choose one of the server location above to get the offline GrubHub WebApp XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.