You are downloading the Gym buff XAP file v22.214.171.124 for Windows Phone. Gym buff is a free and useful Health & Fitness app: No need to choose between size and strength. Build them simultaneously to maximize your time in the gym!Fixed crashing bug.Gym Buff ... You can now download the offline XAP file to install & try it.
Download Locations for Gym buff 126.96.36.199 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 Gym buff XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.