I am building a device for the blind.

I want to re-purpose a low end android device for the task. In terms of hardware I need

* Single physical home button (to initiate interactions everything else is done via speech in & out
* Reasonable mic and speakers
* reasonable amount of cpu and memory
* rootable (we need to root to be able to do things like power down the device)
* 3G data

I have it working on a variety of devices but the best fit is the samsung pocket but it has one problem which I am unable to resolve.

When the user powers on the device it does not give any non visual feedback. Most devices vibrate when you power them on. The blind person needs to able determine that they have held the button long enough. The pocket doesnt provide any non visual feedback and what is worse if you hold it down for too long it powers down again.

Is it possible to change this behaviour. I am hoping it is in the boot rom. I am rooting the pocket using update.zip (home/vol\_up/power ...) so I can do almost anything there but I have never created a custom boot rom.

I noticed that it comes pre-installed with odin if that makes it easier

I am a little out of my comfort zone so any advice is greatly appreciated.

Andrew