Key features: Intruder selfie — silently takes photo when the wrong PIN Fake crash screen — "App not responding" dialog before the real lock screen to hide Temporary unlock — unlock once, for 5/15/30 min, or until screen off Randomized keypad — shuffles PIN pad numbers Boot auto-start — protection resumes after device restart Privacy-first — PBKDF2-hashed credentials, encrypted intruder photos, zero network permissions Emergency disable — temporarily pause all locks 9+ languages support