You are downloading the Snails XAP file v126.96.36.199 for Windows Phone. Snails is a free and fun Platformer game: They are slow and dumb, and they sure need you! Again...Snails are back and now for free. This version is free and includes 36 levels.Snails ... You can now download the offline XAP file to install & try it.
Download Locations for Snails 188.8.131.52 XAP file
Important Notice: Now Due To Unspecified Limitations, You Can Not Use The Offline XAP File To Install It Any More.
To try to install it manually from an SD card, you should choose one of the server location above to get the offline Snails XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.