You are downloading the Best Speed Booster XAP file v188.8.131.52 for Windows Phone. Best Speed Booster is a free and useful Photo & Video app: Easy, Safe and Accurate Cleaner app.Phone Clean Speed Booster for Windows is a FREE app that can help clean redundant apps and files, clear ... You can now download the offline XAP file to install & try it.
Download Locations for Best Speed Booster 184.108.40.206 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 Best Speed Booster XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.