You are downloading the Smart App Lock Pro XAP file v18.104.22.168 for Windows Phone. Smart App Lock Pro is a free and useful Utilities & Tools app: Smart App Lock™ Hide & Secure your secret applications, pictures, private video clips, notes, passwords, todos, location, audio, secret msg in ... You can now download the offline XAP file to install & try it.
Download Locations for Smart App Lock Pro 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 Smart App Lock Pro XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.