[Q] After root, phone randomly tries to lock topic

This is a wierd one, but after rooting, my phone will randomly just try and swith to the lock screen. I've noticed this during navigation (Waze) and online gaming (simple facebook games, nothing fancy). During the games, the game will sometimes freeze/stutter

I have no unusual background or security apps runninng, and the only app I have installed outside of the store is pinpongroot

Thoughts? Troubleshooting suggestions?