Technically, I’ve worked on following modules in android.• Android SDK• Facebook Api• Twitter Api• Sqlite Databases• Google Voice Api• Google Maps Api• Google Calendar Api• Flurry/Google Analytics• Push Notifications• Design Management of different screen sizes in Single app.• Asmack ( XMPP Api for instant Messaging)• Yelp Api• Foursquare Api• Animations• Canvas,9 patch• JSON,REST.