The Riddler Password Safe is a simple yet powerful tool for handling passwords. All data (not only passwords) is encrypted using SHA-256 bit and AES-128 bit algorithms. The Riddler PS is free.
Main features

Application protected by master password provided at the first execution (or restored from a backup file).
Insert/Edit for each card: category, name, username, password, website, notes.
Data encryption with 128 bit AES, main password is encrypted with one way SHA-256 bit.
Ultrafast card search with category and real time updating text filter (on name, uid, notes fields).
View card with copy to clipboard function.
Database backup and restore.
Export password list to text file.
Master password change function.
Database reset function.
Available in english.
System requirements
Android v.2.2 or later. SD memory is required for backups and exports.
Layout is optimized for mobile phones.

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