This app encrypts your private or secret files in your mobile device. The main function (except encryption) is to minimize the probability of access to decrypted data by third parties. It is achieved through the removal of the decrypted files at the following events: * after 10 seconds (by default) after screen off; * during turning off your device; * after device boot completed. For example, you are viewing a private data from decrypted file. If someone suddenly tries to take away your device,