Actually there is, GP has marked flexi as a malware and as such it is getting deleted. Moreover, Google policy is that any app that ask permissions to call log and sms, is not allowed, at the Play Store, and as we can see, in people devices as well, even when GP is disabled. People here says that 4.1 1 got detected and deleted so obviously its not the sulotion. Mine is still working but it is temporary as i disabled Play store, but my target will notice it sooner or later. You need to think out of the box in order to resolve it.