C:\ANDROID\project\hello\proj.android>build_native.py
Please use cocos console instead.

Running command: compile
Building mode: debug
Using Eclipse project : C:\ANDROID\project\hello\proj.android
Android platform not specified, searching a default one...
Can't find right Android-platform for project : 'C:\ANDROID\project\hello\proj.a
ndroid'. The Android-platform should be equal/larger than 10.
Traceback (most recent call last):
  File "C:\ANDROID\project\hello\proj.android\build_native.py", line 43, in <mod
ule>
    build(opts.build_mode)
  File "C:\ANDROID\project\hello\proj.android\build_native.py", line 28, in buil
d
    raise Exception("Build dynamic library for project [ " + app_android_root +
" ] fails!")
Exception: Build dynamic library for project [ C:\ANDROID\project\hello\proj.and
roid\../ ] fails!