Append it as android module/project with library option checked, and add dependency to it in main module(i dont't use eclipse so smth maybe missed). You also could build apk within command line android tools - read README file in root folder
How to append your two dependency project in eclipse,can you help me?
Try Intellij Idea, free community version is avaliable for it. In any way there should be many docs about android and eclipse in google