Help/Install New Software/[add]
ADT-21.1.0.zip

unzip apk_porting
mkdir apk001 with eclips/sdk2
run eclipse.exe
select eclipse workspace = apk001
set adk = windows/preference/android/SDK Location = sdk2\sdk [apply]
create HelloWorld = file/new/project...Android/Android application project
plug cell phone
project explorer/right click/run as/android application
run/run configurations/...android application...target...always prompt to pick device [apply]