This is a very old app, not really suitable for modern Android phones. It's listed here mainly for legacy / backwards compatibility reasons. It's still secure, just not user-friendly. You may need to use a long-press on one of the standard Android buttons to bring up the app menu.
The antivirus report shows that this application is safe. The app is created by Ivan Voras and its category is Productivity. Users rated Encrypted Notepad 4.1 on Google Play.
The latest update of this application was launched on Oct 20, 2010 and the tool has been set up by over 10K users. Get the .apk installer of Encrypted Notepad 1.0 that is absolutely free of charge and take a look at users' reviews on Droid Informer. This application setup package requires 31 KB to be successfully installed. The app is built for Android 2.0.1 and higher.