Ok, I figured you knew about it. I understand the signature deal,because I've uninstalled some apps from playstore to re-install from f-droid to get an update sooner. I finally clicked the xda link that was started back in March, good to see you have some defenders there. There's a fair amount of paranoids at xda, including my mild version. Never hurts to be cautious these days though. Thanks for taking time to respond.