I totally looked at this wrong, yes, it looks like you correctly extracted the evkey binary and preinit script.

What is your problem now?


--- edit ---

Okay, few questions to clear this up.

You are running in open mode, are you? When using sillyboot you are propably wanting to run Nitdroid which means you NEED to have Harmattan/Nitdroid kernel.
(other needs for sillyboot; you may want to have the pre-boot BackupMenu without Nitdroid but I think then you needed to customize your /sbin/preinit further...)

Inception is not enough here, and I am afraid you are not in open mode....