Purchase Page After selecting “Ok!” below, users may be prompted to choose a Google account to associate with a DroidEFB subscription type. Verify this is the Google account used on the Android device running DroidEFB. Ok! No, thanks. Manage In an effort to provide added flexibility, purchase and free trial activation is available either from Google Play or this website. Select “Ok!” for purchase or free trial activation and special pricing options – CFI, GI, Military, Veteran, Grandfathered users. Select “No, thanks.” to be redirected to Google Play for purchase or free trial activation. Select “Manage.” for subscription management.