Lock-Hide File - not every device supports hiding files. Why need this app? It's very simple, with its help you can hide or even block part of your files, documents and folders. This is very handy when you store on the device important information associated with work or personal photos and documents. Besides, access to them will not be so easy, when you reset the settings all locked files will be deleted, and when attempting to gain access, the attacker will need a special key by which you will be able to access the documents.