1. Open Aloha Lite app
2. Go to 'Settings':
3. Go to Privacy section:
4. Tap 'Passcode' to set it up:
5. Create 4 digit password and type it in
6. Type the password once again to confirm it
7. To enable Fingerprint follow the steps for Passcode set up. Instead of passcode, choose - Unlock with fingerprint.
Once the passcode is set up you can choose which areas you prefer to lock. By default it locks the application. But you can choose to only protect the access to Private Tabs/ Downloads/ Private Tabs and Downloads.