This S.M.A.R.T security app was developed as a result of an unusual experience that happened in our household when a toddler in our family fiddled with the phone and ended up calling someone without the knowledge of his parents. To screen lock in such situations without having any complicated solution, we developed this app. This app was also developed keeping simplicity in mind, while also opting out of external database by utilizing shared storage to store the screen lock password. Additional