Here you go
Before going on, this flashable ZIP is the easiest way:
Credit and thanks go to Sikagoon7
Here is the link to the apk I used, it is from a Nexus S JB ROM, but ICS may work too. IDK:
I used ES file explorer with root permissions to do this.
Just place this app in your /system/app folder, change the permissions from rw------- to rw-r--r--
NOW this is important, If you see a browser browserproxyprovider.odex You should rename them! I just threw a 1 after the file extensions.
If you don't do this step the browser will just forceclose.
Now reboot and you are all set
I haven't tested everything yet. But it loads webpages and the settings menu. I will check flash and make sure everything is fine with chrome when I'm no longer in class.
Flash work perfectly. Better than it did on ics
Note: If you have any issues, please try wiping cache and dalvik