This is a license key to unlock PRO features in Dropsync app. Once the key app is downloaded and installed, PRO features will be unlocked. Please keep the free Dropsync app installed.Keep your phone/tablet and your Dropbox in sync at all times. Rock-solid, battery efficient, full two-way(!) sync client for Dropbox."Just like the desktop version of Dropbox, Dropsync supports true two-way data synchronization." –New York Times"Take a picture on your phone and watch as it