Time to share some interesting and delightfully named Android frameworks that were presented at Droidcon 2013:
Cupboard: simple persistence for Android - I've used Grails for web development which has an excellent ORM (object-relational-mapping) layer; developing data access objects is quick, easy and fun. Developing data access with SQLite for Android is like time travelling back to Mediaeval times. Cupboard makes it more bearable and fun, and also helps with reinforcing some abstraction.
Paralloid: Parallax framework - Simple framework for parallax scrolling backgrounds. No more need be said, check out the link if this is something you need.
Little-Fluffy-Location-Library - Battery-friendly background location updates for Android. Handy for widgets that require periodic updates in background, and for apps that need a current location available to them on startup. Also works for apps that do something with location periodically, such as getting updates from a server.
Robospice is a modular android library that makes writing asynchronous long running tasks easy. It is specialized in network requests, supports caching and offers REST requests out-of-the box using extension modules.
With cute names such as Cupboard, Little Fluffy and Parallold, who can resist?