I have been struggling with this for a while now. After updating my phone to ICS, I no longer get missed calls counts, unread SMS message counts, unread e-mail counts, etc. on my Motorola Droid 4.
I am using Widget Locker, ADW notifier, and TESLA Unread Plug In. I also tried SMS unread, which did not seem to function at all, and also Missed It!, which I also couldn't get to work because I think the help tutorial is not applicable to ICS.
I tried enabling ADW notifier in the accessibility screen, but that does not help.
All I am trying to do is get the little red number icons showing unread SMS, missed calls, etc. onto the icons on my lock screen and on my home screen. Right now I can't get them on either. I am willing to pay for a new app if that's what is required.