Folder Lock® allows you to password protect your personal files, photos, videos, documents, contacts, wallet cards, notes and audio recordings on Android phones. The application comes with a clean and nice interface. You can also transfer files from Gallery, PC / Mac, Camera, and Internet browser.
+ Protect private photos
+ Hide sensitive videos and images
+ Password protected secret audio
+ Lock important documents
+ Write secure notes
+ Record voice recordings and notes secretly
+ Import saved contacts
+ Create contact groups
+ Group multiple secret contacts SMS

Supported Android
(4.1 and up)
Ice Cream Sandwich (4.0 – 4.0.4),Jelly Bean (4.1 – 4.3.1),KitKat (4.4 – 4.4.4),Lollipop (5.0 – 5.1.1),Marshmallow (6.0 – 6.0.1),Nougat (7.0 – 7.1.1),Oreo (8.0-8.1), Pie(9.0)