Mobup is a J2ME application created by Consultechnology that manages photo uploads on Flickr from a mobile device. It has the possibility to shoot your photo and add title, tags and description; you can add it to sets/groups and post it to your blog.
Since you have no rendering control in Java MIDP this library provides components on which you can control the look&feel. Full MIDP compatible (Works on all MIDP JVM). Small: Adds only 50-60k to a midlet. Fast to learn and to use (full javadoc).
Auth0 Token Vault handles secure token storage, exchange, and refresh for external providers so you don't have to build it yourself.
Rolling your own OAuth token storage can be a security liability. Token Vault securely stores access and refresh tokens from federated providers and handles exchange and renewal automatically. Connected accounts, refresh exchange, and privileged worker flows included.