java for Android applications

1 - Java MSN Messenger Library (Jml)
If you want to use the MSN Messenger protocol in your application, Jml is the best choice. Jml a Java library support for MSN MSNP8-MSNP12. Is. It is optimized for different users and is designed to be very easy to use and follow.
A number of developers and their design is supposed to be used in a series of projects, including but not limited to: '


    JClaim (general circulation within the public IM + UI)
    Communicate with SIP - the Java VoIP and IM clients
    Openfire IM Gateway plugin
    MSN alerts
    MSN2Go
    Omnivide
    Instant Kiosk

SourceForge site, you can make some quick examples, resources and useful links too.

2 - Marauroa - Arianne multiplayer online engine
Arianne Marauroa is a multiplayer online engine, you can use to build their own online games using Marauroa for object management, perseverance and understanding based database

Client-server communication.
Marauroa completely written in Java using a multithreaded server architecture with a TCP oriented network, a MySQL based persistence engine or H2 and a flexible

System in open systems is fully upgraded and modified by developers. Rules can be written in Java, and Python scripts can be used is small.
Arianne - multiplayer online role playing game development framework for

Full API documentation and a page on this site you can find.


3 - Using Skype JSkype Java programming
JSkype
At this site you can use Java JSkype allows customers to use the Skype API to find. But the old version, but I think Skype will not solve the problem.

4 - Facebook API
Facebook for Android Wiki
Facebook Android SDK
Alpha version of the official SDK to integrate Facebook into their mobile Android application there.

5 - API Twitter
There are a number of additional deputy Documentation on Twitter.
For Java developers:
Twitter4J by Yusuke Yamamoto. Open source, mavenized Google and Twitter API Library Java engine security software, released under the BSD License.
Java DeWitt Clinton Twitter. Pure Java interface for the Twitter API.
jtwitter by Daniel Winterstein. Open source pure Java interface to Twitter.
The gist of Twitter client, Java client companies to connect to the API.