PassHint (Passmetic) is a little java-based mobile application that helps you manage your passwords and usernames by transforming them into simple riddles that only you can solve. You bring your passwords with you and even if you lost your mobile, no one else could discover your passwords
Pathogen - the award-winning passwords manager and generator from Tusqee Systems Ltd for Java enabled phones. It offers you the following features:
1.Passwords and PIN numbers management: Pathogen offers you a passwords repository that has been tested and proved to be very secure
CrypticWallet - free secure password managing program for mobile phones (running JAVA ME). It is useful to store passwords, PINs, card numbers, bank accounts, any confidential information and sensitive data
KeePass for J2ME is a J2ME port of KeePass Password Safe, a free, open source, light-weight and easy-to-use password manager for Windows. You can store passwords in a highly-encrypted database on a mobile phone, and view them on the go
Hack Proof Password Manager (S60 2nd/3rd Edition) - Avoid the frustration of a forgotten PIN or Password with Hack Proof Password Manager. It's the right solution to securely store and quickly access passwords, PINs, credit card numbers, accounts and all other personal data
Oplop makes it easy to create unique passwords for every account you have. By using some math, Oplop only requires of you to remember an account name and a master password to create a very safe and secure password just for you. You get to choose the account names you use for each of your accounts so they act as a mnemonic, letting you make sure they are memorable
HPGen is a hash password generator for Java-enabled mobile phones. The concept was invented by Nic Wolff as a way of generating a large number of pretty secure passwords for all the websites people sign up with these days
MyCloudKey registers your mobile number and phone and generates a unique identity to lock the passwords of your online accounts such as google, facebook, etc. You can lock or unlock your unique identity from your registered cellphone thus preventing access of your online account when the identity is locked
MobileWitch Pass Safe is a strong, innovative password manager (password keeper) that also extends its utility over mobile phones, providing highly encrypted passwords. The application’s main purpose is to secure, create and store sensitive data and get that burden of large, delicate information off your shoulders
OTPGen is a program for portable devices supporting Java 2 Micro Edition (almost all recent mobile phones) generating one-time access passwords (eg. for s/key or OPIE).
A mobile with such a program may be not bad an alternative for carrying passwords printed on a paper strip, especially when there's a lot of them