Awesome

SIM Password Manager

Android password manager app that implements password encryption inside a secure element (SE). Can only run on a device that supports the Open Mobile API (aka SmartCardService). Requires associated Java Card applet to be loaded in the SE (SIM card or embedded SE) in advance.

See associated blog posts for more details:

http://nelenkov.blogspot.com/2013/09/using-sim-card-as-secure-element.html