You are downloading the Pokemon Emerald XAP file v188.8.131.52 for Windows Phone. Pokemon Emerald is a free Game: Pokemon Emerald is now able to play on your mobile device. Enjoy the game and rate us 5 stars for our efforts. Thank ... You can now download the offline XAP package file to install & try it.
Download Locations for Pokemon Emerald 184.108.40.206 XAP file
To try to install it manually from an SD card, you should choose one of the server location above to get the offline Pokemon Emerald XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.