admob dont work

hi guys, admob crash my game. I made this tutorial http://www.stencyl.com/help/viewArticle/203, but when i do this my game dont open in a android device

if i put the admob publisher key, the game do not open any more in the android .
if the use admob extension dont compiling and do not generates apk

Stencyl: 3.2
Lastest admob extension (If block deactived game work good,oterwise open and crash for 1 second with message " sorry your app must be closed")

My testing mobile is: Android 4.1 = Zte Blade q
Lastes SDK is installed also