You are downloading the GymTimer XAP file v188.8.131.52 for Windows Phone. GymTimer is a free and useful Health & Fitness app: Gym Timer is designed for those with home gyms who need a timer with an audible indicator. You can set your workout time and you set time and rest ... You can now download the offline XAP file to install & try it.
Download Locations for GymTimer 184.108.40.206 XAP file
Note: To install it manually from an SD card, you should choose one of the server location above to get the offline GymTimer XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.