The price of free: Kingston Office spying on you

When you run the otherwise fine Kinston Office on Android, it tries to ring home, to China:


You have little control over what is sent. Granted, you can block its networking with e.g. LBE, but then you need to block LBE in turn, maybe with the in-built Android Privacy feature.  
Quid custodiens ipsos custodes?

The only privacy solution is to switch off the phone. But then, why have it?