Any encryption apps ?

[Amamba]

I am looking for a reliable application that would create an encrypted container in Android, sort of like Truecrypt or FreeOTFE for Windows. Any recommendations ?

(I know that the entire phone can be encrypted, but there's a problem with this approach - a long phone access passcode is too tedious and inconvenient, and any short 4-digits passcode is easy to break. To me, the passcode is just to keep the snoopers out. Besides, seems like Android system encryption was just broken by some researchers).