secure-vault2 activity-log1 android-app1 applock1 biometric-lock1 data-security1 desktop-app1 encryption1 file-protection1 fingerprint-lock1 folder-encryption1 folder-lock1 gallery-lock1 hide-photos1 hide-videos1 kotlin1 lock-apps1 lock-unlock1 password-manager1 pattern-lock1 photo-vault1 pin-lock1 privacy1 privacy-protection1 private-vault1 python1 user-friendly1 vault-backup1 windows-app1