Not only a Google authenticator for 2-step verification for Java ME enabled phones. This is MIDlet-1.0 implementation of RFC 6238 authenticator - TOTP: Time-Based One-Time Password Algorithm. It's quick, simple and it supports multiple profiles.
KeePass for J2ME is a J2ME port of KeePass Password Safe, a free, open source, light-weight and easy-to-use password manager. You can store passwords in a highly-encrypted database on a mobile phone, and view them on the go.