Se how to install eclipse and android sdk so you can make android 3.0 optimised apps
http://developer.android.com/guide/practices/optimizing-for-3.0.html
HELLO WORLD - android 3.0
http://developer.android.com/resources/tutorials/hello-world.html
HELLO WEBVIEW - take your webpage and embed it in your android 3.0 app
Se the tutorials here : http://developer.android.com/resources/tutorials/views/hello-webview.html
Some examples code for andorid
http://developer.android.com/resources/browser.html?tag=sample
Android design guide (icons, launcher icons, menu icons and more)
http://developer.android.com/guide/practices/ui_guidelines/icon_design.html