First I thougt that the app is buggy, cause it stopped while connecting. And when the controller was paired, I couldn't even open my Moga-using games. But considering that the app works perfectly on every other N5, except mine, I started to think that franco kernel's bluetooth settings are the reason for that.
So I flashed stock kernel, but the problem still occurs...
I can receive and send files, just that damn app stops working everytime (i also tried reinstalling it).
Please help, I dont want to send that controller back, cause its my phone's fault :/