This is good, but some times very heritage because use to mobile and one second I read some matter then after suddenly lock in mobile, always very good, but arrange and solved this problem better then all application in mobile, some body not remember lock number then very tension in that time, urgent phone calls , massages, mails , check phone numbers , then very bad situation this time . Finally the application very good because the stringers not use my phone’s, not touch , and safe in other people important datas photos protect this application, and make very good contition in every time in mobile, then some times very help able in number locker , not read file friend massage in mom and others, then very good, and some time miss in mobile other place not in use stringers , finally this application Mobile Number Locker very helpfully and safety provide in mobile, thanks and my self