Any ROM with xposed framework can have pa halo or its already embedded into the ROM itself...some ROMs aren't working good with gaming, snowJB seems to be the best (from what I hear)..I've never used it.
Sent from my LG-E970 using XDA Premium 4 mobile app
XDA Developers was founded by developers, for developers. It is now a valuable resource for people who want to make the most of their mobile devices, from customizing the look and feel to adding new functionality. Are you a developer? | Terms of Service