Latest version doesn´t hang for me, but when sliding right or left nothing happens. I can see the sliders moving under my finger but, I can´t answer and I can´t reject any calls. The sliders just bounces back when releasing my finger from the screen.
I am gonna venture a guess and say this thread is dead. But all the same, will leave a bit of info. Setup was ok. But lacks a "crop" function and also when answering or rejecting a call, it sends me back to the standard android call screen where I have to (again) answer or reject, making this software useless. Pretty, but useless. So it's back to MIUI for me, for the time being.