You are downloading the Jack of Time XAP file v18.104.22.168 for Windows Phone. Jack of Time is a free and useful Utilities & Tools app: Jack of Time provides a tool set of time related functions including a countdown timer with voice, stop watch, a time calculator, event timer, ... You can now download the offline XAP file to install & try it.
Download Locations for Jack of Time 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 Jack of Time XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.