Android building failing within a few seconds

The only difference was case, I matched it everywhere perfectly but still the same problem, does it matter which android i build to etc 1 2 3 etc ? what do they mean ?

So I made a new project and brought my files in and packaged for etc1 again but got a build error:

[link text][1]

Here are my android settings:

http://i.imgur.com/JjZ1hba.png

http://i.imgur.com/14NwQBT.png

http://i.imgur.com/PbDpPvQ.png