You are downloading the Letters XAP file v22.214.171.124 for Windows Phone. Letters is a free and useful Kids & Family app: Download the cutest love app ever and show that special person how you feel about them. Talking Tom and Talking Angela are at hand to help ... You can now download the offline XAP file to install & try it.
Download Locations for Letters 126.96.36.199 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 Letters XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.