If you're looking to Download Photo & Video Vault on your Chromebook laptop Then read the following guideline.

All your most important photos and videos are PASSWORD PROTECTED with this app. - Provide long PASSWORD PROTECTION for your private photos - Extremely simple and powerful importing from Photo library - Create albums to organize photos - Support additional password for individual albums - Disable folder password if you need - Organize Files：create photo from camera or iPhone Album - Multiple files can be handled at the same time - Security ：you can lock any category/user with passwords - With only one password, you can easily lock or unlock any folder