Originally Posted by joomlafreak
For me too the lag on back button is the reason I am not able to go to my favourite ROM liquid Smooth. The PA PIE back button is really quick, almost instantaneous. But same is not true for LMT.
thats because the pie in PA is built into the system, and this is an app you downloaded.
Originally Posted by fivefour
The back button lag is because it's a root function, normal access to the back button is not allowed in android. Nothing can be done about this, the slower your device is the slower the call to the back button will be.
now i dont know how credible this person is, but this sounds logical. i am running a 4.2 rom on my Galaxy s3 and just barely notice any lag, not enough to complain about.