You are downloading the Lock Phone Screen XAP file v184.108.40.206 for Windows Phone. Lock Phone Screen is a paid and useful Productivity app: Do you want to protect your phone ??? protect your lock button ?? This app can help you lock your phone with "1 tap". ... You can now download the offline XAP file to install & try it.
Download Locations for Lock Phone Screen 220.127.116.11 XAP file
Note: To install it manually from an SD card, you should choose one of the server location above to get the offline Lock Phone Screen XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.