Encryption Manager is a file manager, that offers a comfortable and secure way to keep files with confidential data encrypted using AES or Twofish encryption on your storage (internal storage, external SD card, USB storage).
Giraone is the official developer of the app which can be found in the Tools category. Encryption Manager was downloaded and installed by over 5K users and the most recent stable release was on Sep 26, 2017. According to the latest info, this application is rated 3.7 on Google Play.
Get the setup package of Encryption Manager 4.5.4 that is absolutely free and have a look at users' reviews on Droid Informer. The app can be launched flawlessly on Android 2.2 and above. It's secure to download the app.
As users indicate, the advantage of this application is a good interface.