AbMob included in my app is working just fine on emulator but on my device i always getting the same:
08-02 01:14:04.862: DEBUG/webviewglue(14152): nati
Your /etc/hosts file has re-defined r.admob.com to 127.0.0.1 -- custom ROMs that you download from various sources all do that, because ti blocks out all the ads. Edit your /etc/hosts file and take out that entry.