You are downloading the Jack of Light XAP file v220.127.116.11 for Windows Phone. Jack of Light is a free and useful Productivity app: Jack of Light allows you to use your phone's flash as a super bright LED flashlight so you always have light at the ready. Jack of Light also ... You can now download the offline XAP file to install & try it.
Download Locations for Jack of Light 18.104.22.168 XAP file
Note: To install it manually from an SD card, you should choose one of the server location above to get the offline Jack of Light XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.