You are downloading the SQL Manager Plus XAP file v22.214.171.124 for Windows Phone. SQL Manager Plus is a free and useful Productivity app: Simple app to manage a SQL Server host that mus be acessible by internet connection.Show database, table and column schemas ... You can now download the offline XAP file to install & try it.
Download Locations for SQL Manager Plus 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 SQL Manager Plus XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.