You are downloading the Gem Craft XAP file v1.0.0.0 for Windows Phone. Gem Craft is a free Strategy Game: Defend your castle against the wild hordes of enemies.Use your mana which you gain from slaying the wild creatures to build your defense.Build towers then. You can now download the offline XAP package file to install & try it.
Download Locations for Gem Craft 1.0.0.0 XAP file
Package File
Please Click Here > to retrieve available package files for Gem Craft.
Please be aware that the Gem Craft XAP file you are to download is hosted on the Microsoft Store CDN server. You can read more about Gem Craft 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 Gem Craft XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.