KeePassDroid (1.3 MB), too many passwords to remember? This app helps manage passwords easily—just remember one single master password or select the key file to unlock them. A good implementation of desktop software KeePass Password Safe or even KeePassX.Keeper Password & Data Vault (4.6 MB), a simplistic app that saves all your passwords onto your mobile phone with a master password. Features include optional self-destructs after entering five wrong passwords but cloud bakcup is only available on the paid version.