You are downloading the GTA: San Andreas XAP file v18.104.22.168 for Windows Phone. GTA: San Andreas is a paid and fun Action & Adventure game: ***PLEASE NOTE: Grand Theft Auto: San Andreas is only supported on the following devices: Nokia Lumia: 1520, 1320, 822, 820, 810, HTC: 8XT.*** ... You can now download the offline XAP file to install & try it.
Download Locations for GTA: San Andreas 22.214.171.124 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 GTA: San Andreas XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.